162989755 has 4 divisors (see below), whose sum is σ = 195587712. Its totient is φ = 130391800.

The previous prime is 162989689. The next prime is 162989767. The reversal of 162989755 is 557989261.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 162989755 - 2⁹ = 162989243 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16298971 + ... + 16298980.

It is an arithmetic number, because the mean of its divisors is an integer number (48896928).

Almost surely, 2^162989755 is an apocalyptic number.

162989755 is a deficient number, since it is larger than the sum of its proper divisors (32597957).

162989755 is an equidigital number, since it uses as much as digits as its factorization.

162989755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32597956.

The product of its digits is 1360800, while the sum is 52.

The square root of 162989755 is about 12766.7441033335. The cubic root of 162989755 is about 546.2441123317.

The spelling of 162989755 in words is "one hundred sixty-two million, nine hundred eighty-nine thousand, seven hundred fifty-five".