16000722155 has 32 divisors (see below), whose sum is σ = 21437498880. Its totient is φ = 11367220480.

The previous prime is 16000722109. The next prime is 16000722169. The reversal of 16000722155 is 55122700061.

It is not a de Polignac number, because 16000722155 - 2¹² = 16000718059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386594 + ... + 425976.

It is an arithmetic number, because the mean of its divisors is an integer number (669921840).

Almost surely, 2^16000722155 is an apocalyptic number.

16000722155 is a deficient number, since it is larger than the sum of its proper divisors (5436776725).

16000722155 is a wasteful number, since it uses less digits than its factorization.

16000722155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39571.

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 16000722155 in words is "sixteen billion, seven hundred twenty-two thousand, one hundred fifty-five".