454020121166 has 16 divisors (see below), whose sum is σ = 706922164800. Its totient is φ = 218537760480.

The previous prime is 454020121157. The next prime is 454020121211. The reversal of 454020121166 is 661121020454.

It is a super-2 number, since 2×454020121166² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39584441 + ... + 39595908.

It is an arithmetic number, because the mean of its divisors is an integer number (44182635300).

Almost surely, 2^454020121166 is an apocalyptic number.

454020121166 is a deficient number, since it is larger than the sum of its proper divisors (252902043634).

454020121166 is a wasteful number, since it uses less digits than its factorization.

454020121166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79180459.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 454020121166 in words is "four hundred fifty-four billion, twenty million, one hundred twenty-one thousand, one hundred sixty-six".