65250961152 has 72 divisors (see below), whose sum is σ = 187021413264. Its totient is φ = 20077215744.

The previous prime is 65250961133. The next prime is 65250961157. The reversal of 65250961152 is 25116905256.

It is a super-4 number, since 4×65250961152⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65250961157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3257793 + ... + 3277760.

Almost surely, 2^65250961152 is an apocalyptic number.

It is an amenable number.

65250961152 is an abundant number, since it is smaller than the sum of its proper divisors (121770452112).

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

65250961152 is a wasteful number, since it uses less digits than its factorization.

65250961152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535585 (or 6535571 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 65250961152 in words is "sixty-five billion, two hundred fifty million, nine hundred sixty-one thousand, one hundred fifty-two".