162621133261023 has 32 divisors (see below), whose sum is σ = 220340909601792. Its totient is φ = 106668766512000.

The previous prime is 162621133260991. The next prime is 162621133261031. The reversal of 162621133261023 is 320162331126261.

It is not a de Polignac number, because 162621133261023 - 2⁵ = 162621133260991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162621133261523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163951873 + ... + 164940773.

It is an arithmetic number, because the mean of its divisors is an integer number (6885653425056).

Almost surely, 2^{162621133261023} is an apocalyptic number.

162621133261023 is a deficient number, since it is larger than the sum of its proper divisors (57719776340769).

162621133261023 is a wasteful number, since it uses less digits than its factorization.

162621133261023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991695.

The product of its (nonzero) digits is 93312, while the sum is 39.

Adding to 162621133261023 its reverse (320162331126261), we get a palindrome (482783464387284).

The spelling of 162621133261023 in words is "one hundred sixty-two trillion, six hundred twenty-one billion, one hundred thirty-three million, two hundred sixty-one thousand, twenty-three".