162491134 has 24 divisors (see below), whose sum is σ = 279462960. Its totient is φ = 70581888.

The previous prime is 162491111. The next prime is 162491141. The reversal of 162491134 is 431194261.

It is a junction number, because it is equal to n+sod(n) for n = 162491096 and 162491105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8394 + ... + 19885.

It is an arithmetic number, because the mean of its divisors is an integer number (11644290).

Almost surely, 2^162491134 is an apocalyptic number.

162491134 is a deficient number, since it is larger than the sum of its proper divisors (116971826).

162491134 is a wasteful number, since it uses less digits than its factorization.

162491134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28324 (or 28311 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 162491134 is about 12747.2010261077. The cubic root of 162491134 is about 545.6865169508.

The spelling of 162491134 in words is "one hundred sixty-two million, four hundred ninety-one thousand, one hundred thirty-four".