16607197440 has 216 divisors, whose sum is σ = 57845755968. Its totient is φ = 4398796800.

The previous prime is 16607197429. The next prime is 16607197483. The reversal of 16607197440 is 4479170661.

16607197440 is a `hidden beast` number, since 16 + 6 + 0 + 7 + 197 + 440 = 666.

It is a super-2 number, since 2×16607197440² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1734747 + ... + 1744293.

Almost surely, 2^16607197440 is an apocalyptic number.

16607197440 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 16607197440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28922877984).

16607197440 is an abundant number, since it is smaller than the sum of its proper divisors (41238558528).

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

16607197440 is a wasteful number, since it uses less digits than its factorization.

16607197440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9725 (or 9708 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 16607197440 in words is "sixteen billion, six hundred seven million, one hundred ninety-seven thousand, four hundred forty".