16261345626 has 64 divisors (see below), whose sum is σ = 34276919040. Its totient is φ = 5137666560.

The previous prime is 16261345603. The next prime is 16261345649. The reversal of 16261345626 is 62654316261.

It is an interprime number because it is at equal distance from previous prime (16261345603) and next prime (16261345649).

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, 1336860 + ... + 1348968.

It is an arithmetic number, because the mean of its divisors is an integer number (535576860).

Almost surely, 2^16261345626 is an apocalyptic number.

16261345626 is an abundant number, since it is smaller than the sum of its proper divisors (18015573414).

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

16261345626 is a wasteful number, since it uses less digits than its factorization.

16261345626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12311.

The product of its digits is 311040, while the sum is 42.

The spelling of 16261345626 in words is "sixteen billion, two hundred sixty-one million, three hundred forty-five thousand, six hundred twenty-six".