16129577320 has 32 divisors (see below), whose sum is σ = 36833220000. Its totient is φ = 6355533888.

The previous prime is 16129577279. The next prime is 16129577329. The reversal of 16129577320 is 2377592161.

It is not an unprimeable number, because it can be changed into a prime (16129577329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006570 + ... + 3011929.

It is an arithmetic number, because the mean of its divisors is an integer number (1151038125).

Almost surely, 2^16129577320 is an apocalyptic number.

16129577320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16129577320 is an abundant number, since it is smaller than the sum of its proper divisors (20703642680).

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

16129577320 is a wasteful number, since it uses less digits than its factorization.

16129577320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018577 (or 6018573 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 16129577320 in words is "sixteen billion, one hundred twenty-nine million, five hundred seventy-seven thousand, three hundred twenty".