16600149504 has 320 divisors, whose sum is σ = 50734252800. Its totient is φ = 5356855296.

The previous prime is 16600149469. The next prime is 16600149509. The reversal of 16600149504 is 40594100661.

16600149504 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 0 + 149 + 504 = 666.

It is a hoax number, since the sum of its digits (36) 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16600149509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101841327 + ... + 101841489.

It is an arithmetic number, because the mean of its divisors is an integer number (158544540).

Almost surely, 2^16600149504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16600149504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25367126400).

16600149504 is an abundant number, since it is smaller than the sum of its proper divisors (34134103296).

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

16600149504 is a wasteful number, since it uses less digits than its factorization.

16600149504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 16600149504 in words is "sixteen billion, six hundred million, one hundred forty-nine thousand, five hundred four".