162770131 has 4 divisors (see below), whose sum is σ = 171337000. Its totient is φ = 154203264.

The previous prime is 162770117. The next prime is 162770137. The reversal of 162770131 is 131077261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131077261 = 7 ⋅18725323.

It is a cyclic number.

It is not a de Polignac number, because 162770131 - 2⁹ = 162769619 is a prime.

It is a super-2 number, since 2×162770131² = 52988231091514322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162770131.

It is not an unprimeable number, because it can be changed into a prime (162770137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4283406 + ... + 4283443.

It is an arithmetic number, because the mean of its divisors is an integer number (42834250).

Almost surely, 2^162770131 is an apocalyptic number.

162770131 is a deficient number, since it is larger than the sum of its proper divisors (8566869).

162770131 is an equidigital number, since it uses as much as digits as its factorization.

162770131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566868.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 162770131 is about 12758.1397938728. The cubic root of 162770131 is about 545.9986526464.

The spelling of 162770131 in words is "one hundred sixty-two million, seven hundred seventy thousand, one hundred thirty-one".