920961254164 has 72 divisors (see below), whose sum is σ = 1973937779520. Its totient is φ = 373838976000.

The previous prime is 920961254153. The next prime is 920961254167. The reversal of 920961254164 is 461452169029.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920961254167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17853169 + ... + 17904679.

Almost surely, 2^920961254164 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 920961254164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986968889760).

920961254164 is an abundant number, since it is smaller than the sum of its proper divisors (1052976525356).

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

920961254164 is a wasteful number, since it uses less digits than its factorization.

920961254164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56349 (or 56340 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 920961254164 in words is "nine hundred twenty billion, nine hundred sixty-one million, two hundred fifty-four thousand, one hundred sixty-four".