16051265720 has 32 divisors (see below), whose sum is σ = 41274684000. Its totient is φ = 5503291008.

The previous prime is 16051265701. The next prime is 16051265743. The reversal of 16051265720 is 2756215061.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 7 ways as a sum of consecutive naturals, for example, 28662695 + ... + 28663254.

It is an arithmetic number, because the mean of its divisors is an integer number (1289833875).

Almost surely, 2^16051265720 is an apocalyptic number.

16051265720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16051265720 is an abundant number, since it is smaller than the sum of its proper divisors (25223418280).

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

16051265720 is a wasteful number, since it uses less digits than its factorization.

16051265720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57325967 (or 57325963 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 16051265720 in words is "sixteen billion, fifty-one million, two hundred sixty-five thousand, seven hundred twenty".