10161774774 has 24 divisors (see below), whose sum is σ = 22020805560. Its totient is φ = 3386700288.

The previous prime is 10161774773. The next prime is 10161774781. The reversal of 10161774774 is 47747716101.

10161774774 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 177 + 477 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161774773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74289 + ... + 160755.

It is an arithmetic number, because the mean of its divisors is an integer number (917533565).

Almost surely, 2^10161774774 is an apocalyptic number.

10161774774 is an abundant number, since it is smaller than the sum of its proper divisors (11859030786).

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

10161774774 is a wasteful number, since it uses less digits than its factorization.

10161774774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93004 (or 93001 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 45.

The spelling of 10161774774 in words is "ten billion, one hundred sixty-one million, seven hundred seventy-four thousand, seven hundred seventy-four".