8951605620 has 24 divisors (see below), whose sum is σ = 25064495904. Its totient is φ = 2387094816.

The previous prime is 8951605609. The next prime is 8951605631. The reversal of 8951605620 is 265061598.

It is an interprime number because it is at equal distance from previous prime (8951605609) and next prime (8951605631).

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, 74596654 + ... + 74596773.

It is an arithmetic number, because the mean of its divisors is an integer number (1044353996).

Almost surely, 2^8951605620 is an apocalyptic number.

It is an amenable number.

8951605620 is an abundant number, since it is smaller than the sum of its proper divisors (16112890284).

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

8951605620 is a wasteful number, since it uses less digits than its factorization.

8951605620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149193439 (or 149193437 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 8951605620 is about 94612.9252269477. The cubic root of 8951605620 is about 2076.3488105650.

The spelling of 8951605620 in words is "eight billion, nine hundred fifty-one million, six hundred five thousand, six hundred twenty".