168651632606772 has 96 divisors (see below), whose sum is σ = 450064546041600. Its totient is φ = 48151168192512.

The previous prime is 168651632606771. The next prime is 168651632606783. The reversal of 168651632606772 is 277606236156861.

It is a happy number.

168651632606772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168651632606771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1061230054 + ... + 1061388962.

It is an arithmetic number, because the mean of its divisors is an integer number (4688172354600).

Almost surely, 2^{168651632606772} is an apocalyptic number.

168651632606772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168651632606772 is an abundant number, since it is smaller than the sum of its proper divisors (281412913434828).

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

168651632606772 is a wasteful number, since it uses less digits than its factorization.

168651632606772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168025 (or 168023 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 66.

The spelling of 168651632606772 in words is "one hundred sixty-eight trillion, six hundred fifty-one billion, six hundred thirty-two million, six hundred six thousand, seven hundred seventy-two".