920016561104 has 80 divisors (see below), whose sum is σ = 1934694457344. Its totient is φ = 422562940800.

The previous prime is 920016561049. The next prime is 920016561221. The reversal of 920016561104 is 401165610029.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186637 + ... + 1802259.

Almost surely, 2^920016561104 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 920016561104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967347228672).

920016561104 is an abundant number, since it is smaller than the sum of its proper divisors (1014677896240).

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

920016561104 is a wasteful number, since it uses less digits than its factorization.

920016561104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615816 (or 615810 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 920016561104 in words is "nine hundred twenty billion, sixteen million, five hundred sixty-one thousand, one hundred four".