665150151252 has 96 divisors (see below), whose sum is σ = 1622107791360. Its totient is φ = 211884877440.

The previous prime is 665150151251. The next prime is 665150151257. The reversal of 665150151252 is 252151051566.

665150151252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 665150151252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665150151251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109884658 + ... + 109890710.

It is an arithmetic number, because the mean of its divisors is an integer number (16896956160).

Almost surely, 2^665150151252 is an apocalyptic number.

665150151252 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

665150151252 is an abundant number, since it is smaller than the sum of its proper divisors (956957640108).

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

665150151252 is a wasteful number, since it uses less digits than its factorization.

665150151252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9733 (or 9731 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 665150151252 in words is "six hundred sixty-five billion, one hundred fifty million, one hundred fifty-one thousand, two hundred fifty-two".