164961186 has 16 divisors (see below), whose sum is σ = 355301184. Its totient is φ = 50757264.

The previous prime is 164961131. The next prime is 164961191. The reversal of 164961186 is 681169461.

164961186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1057366 + ... + 1057521.

It is an arithmetic number, because the mean of its divisors is an integer number (22206324).

Almost surely, 2^164961186 is an apocalyptic number.

164961186 is an abundant number, since it is smaller than the sum of its proper divisors (190339998).

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

164961186 is a wasteful number, since it uses less digits than its factorization.

164961186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114905.

The product of its digits is 62208, while the sum is 42.

The square root of 164961186 is about 12843.7216569030. The cubic root of 164961186 is about 548.4376443389.

It can be divided in two parts, 1649 and 61186, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 164961186 in words is "one hundred sixty-four million, nine hundred sixty-one thousand, one hundred eighty-six".