235161663642 has 16 divisors (see below), whose sum is σ = 522581474880. Its totient is φ = 78387221196.

The previous prime is 235161663563. The next prime is 235161663677. The reversal of 235161663642 is 246366161532.

235161663642 is a `hidden beast` number, since 2 + 3 + 5 + 1 + 6 + 1 + 6 + 636 + 4 + 2 = 666.

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, 2177422758 + ... + 2177422865.

It is an arithmetic number, because the mean of its divisors is an integer number (32661342180).

Almost surely, 2^235161663642 is an apocalyptic number.

235161663642 is an abundant number, since it is smaller than the sum of its proper divisors (287419811238).

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

235161663642 is a wasteful number, since it uses less digits than its factorization.

235161663642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354845634 (or 4354845628 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 235161663642 in words is "two hundred thirty-five billion, one hundred sixty-one million, six hundred sixty-three thousand, six hundred forty-two".