16922893557 has 16 divisors (see below), whose sum is σ = 22698911232. Its totient is φ = 11214535920.

The previous prime is 16922893549. The next prime is 16922893573. The reversal of 16922893557 is 75539822961.

It is a happy number.

It is not a de Polignac number, because 16922893557 - 2³ = 16922893549 is a prime.

It is a super-2 number, since 2×16922893557² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16922893497 and 16922893506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16922893657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507328 + ... + 539654.

It is an arithmetic number, because the mean of its divisors is an integer number (1418681952).

Almost surely, 2^16922893557 is an apocalyptic number.

It is an amenable number.

16922893557 is a deficient number, since it is larger than the sum of its proper divisors (5776017675).

16922893557 is a wasteful number, since it uses less digits than its factorization.

16922893557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33368.

The product of its digits is 8164800, while the sum is 57.

The spelling of 16922893557 in words is "sixteen billion, nine hundred twenty-two million, eight hundred ninety-three thousand, five hundred fifty-seven".