16522556146 has 8 divisors (see below), whose sum is σ = 24784788204. Its totient is φ = 8260960080.

The previous prime is 16522556137. The next prime is 16522556147. The reversal of 16522556146 is 64165522561.

It can be written as a sum of positive squares in 2 ways, for example, as 15490540521 + 1032015625 = 124461^2 + 32125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16522556147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87645 + ... + 201808.

Almost surely, 2^16522556146 is an apocalyptic number.

16522556146 is a deficient number, since it is larger than the sum of its proper divisors (8262232058).

16522556146 is a wasteful number, since it uses less digits than its factorization.

16522556146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317996.

The product of its digits is 432000, while the sum is 43.

The spelling of 16522556146 in words is "sixteen billion, five hundred twenty-two million, five hundred fifty-six thousand, one hundred forty-six".