163655027274 has 16 divisors (see below), whose sum is σ = 329887300608. Its totient is φ = 54122134752.

The previous prime is 163655027257. The next prime is 163655027293. The reversal of 163655027274 is 472720556361.

It is a Curzon 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, 107384427 + ... + 107385950.

It is an arithmetic number, because the mean of its divisors is an integer number (20617956288).

Almost surely, 2^163655027274 is an apocalyptic number.

163655027274 is an abundant number, since it is smaller than the sum of its proper divisors (166232273334).

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

163655027274 is a wasteful number, since it uses less digits than its factorization.

163655027274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214770509.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 163655027274 in words is "one hundred sixty-three billion, six hundred fifty-five million, twenty-seven thousand, two hundred seventy-four".