162057906641 has 4 divisors (see below), whose sum is σ = 162771818352. Its totient is φ = 161343994932.

The previous prime is 162057906613. The next prime is 162057906677. The reversal of 162057906641 is 146609750261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146609750261 = 13 ⋅11277673097.

It is a cyclic number.

It is not a de Polignac number, because 162057906641 - 2¹⁴ = 162057890257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162057906611) 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, 356955515 + ... + 356955968.

It is an arithmetic number, because the mean of its divisors is an integer number (40692954588).

Almost surely, 2^162057906641 is an apocalyptic number.

It is an amenable number.

162057906641 is a deficient number, since it is larger than the sum of its proper divisors (713911711).

162057906641 is an equidigital number, since it uses as much as digits as its factorization.

162057906641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713911710.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 162057906641 in words is "one hundred sixty-two billion, fifty-seven million, nine hundred six thousand, six hundred forty-one".