453121139016 has 960 divisors, whose sum is σ = 1738600174080. Its totient is φ = 108794327040.

The previous prime is 453121138963. The next prime is 453121139041. The reversal of 453121139016 is 610931121354.

453121139016 is a `hidden beast` number, since 4 + 53 + 1 + 211 + 390 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 217531911 + ... + 217533993.

It is an arithmetic number, because the mean of its divisors is an integer number (1811041848).

Almost surely, 2^453121139016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453121139016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869300087040).

453121139016 is an abundant number, since it is smaller than the sum of its proper divisors (1285479035064).

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

453121139016 is a wasteful number, since it uses less digits than its factorization.

453121139016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2156 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 453121139016 in words is "four hundred fifty-three billion, one hundred twenty-one million, one hundred thirty-nine thousand, sixteen".