162020691 has 12 divisors (see below), whose sum is σ = 267462832. Its totient is φ = 92583216.

The previous prime is 162020647. The next prime is 162020699. The reversal of 162020691 is 196020261.

162020691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 162020691 - 2⁷ = 162020563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162020699) 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, 1285816 + ... + 1285941.

Almost surely, 2^162020691 is an apocalyptic number.

162020691 is a deficient number, since it is larger than the sum of its proper divisors (105442141).

162020691 is a wasteful number, since it uses less digits than its factorization.

162020691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571770 (or 2571767 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 162020691 is about 12728.7348546507. The cubic root of 162020691 is about 545.1593855296.

The spelling of 162020691 in words is "one hundred sixty-two million, twenty thousand, six hundred ninety-one".