161151102 has 36 divisors (see below), whose sum is σ = 406168776. Its totient is φ = 46042920.

The previous prime is 161151097. The next prime is 161151119. The reversal of 161151102 is 201151161.

It is a happy number.

161151102 is a `hidden beast` number, since 1 + 611 + 51 + 1 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 90474 + ... + 92237.

It is an arithmetic number, because the mean of its divisors is an integer number (11282466).

Almost surely, 2^161151102 is an apocalyptic number.

161151102 is an abundant number, since it is smaller than the sum of its proper divisors (245017674).

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

161151102 is a wasteful number, since it uses less digits than its factorization.

161151102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182733 (or 182723 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 161151102 is about 12694.5303969859. The cubic root of 161151102 is about 544.1823184137.

The spelling of 161151102 in words is "one hundred sixty-one million, one hundred fifty-one thousand, one hundred two".