16497507600 has 480 divisors, whose sum is σ = 68549898240. Its totient is φ = 3689832960.

The previous prime is 16497507599. The next prime is 16497507601. The reversal of 16497507600 is 670579461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16497507599) and next prime (16497507601).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16497507601) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3550879 + ... + 3555521.

It is an arithmetic number, because the mean of its divisors is an integer number (142812288).

Almost surely, 2^16497507600 is an apocalyptic number.

16497507600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16497507600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34274949120).

16497507600 is an abundant number, since it is smaller than the sum of its proper divisors (52052390640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16497507600 is a wasteful number, since it uses less digits than its factorization.

16497507600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724 (or 4707 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 16497507600 in words is "sixteen billion, four hundred ninety-seven million, five hundred seven thousand, six hundred".