16557642477152 has 48 divisors (see below), whose sum is σ = 37447725182112. Its totient is φ = 7059364945920.

The previous prime is 16557642477127. The next prime is 16557642477163. The reversal of 16557642477152 is 25177424675561.

It is a super-2 number, since 2×16557642477152² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191454299 + ... + 191540762.

It is an arithmetic number, because the mean of its divisors is an integer number (780160941294).

Almost surely, 2^{16557642477152} is an apocalyptic number.

It is an amenable number.

16557642477152 is an abundant number, since it is smaller than the sum of its proper divisors (20890082704960).

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

16557642477152 is a wasteful number, since it uses less digits than its factorization.

16557642477152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382995271 (or 382995263 counting only the distinct ones).

The product of its digits is 98784000, while the sum is 62.

The spelling of 16557642477152 in words is "sixteen trillion, five hundred fifty-seven billion, six hundred forty-two million, four hundred seventy-seven thousand, one hundred fifty-two".