20230521437166 has 16 divisors (see below), whose sum is σ = 41447897579088. Its totient is φ = 6579031361600.

The previous prime is 20230521437153. The next prime is 20230521437177. The reversal of 20230521437166 is 66173412503202.

It is a super-2 number, since 2×20230521437166² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41118945765 + ... + 41118946256.

It is an arithmetic number, because the mean of its divisors is an integer number (2590493598693).

Almost surely, 2^{20230521437166} is an apocalyptic number.

20230521437166 is an abundant number, since it is smaller than the sum of its proper divisors (21217376141922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230521437166 is a wasteful number, since it uses less digits than its factorization.

20230521437166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82237892067.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20230521437166 in words is "twenty trillion, two hundred thirty billion, five hundred twenty-one million, four hundred thirty-seven thousand, one hundred sixty-six".