956505660 has 96 divisors (see below), whose sum is σ = 2929312512. Its totient is φ = 231275520.

The previous prime is 956505659. The next prime is 956505661. The reversal of 956505660 is 66505659.

It is an interprime number because it is at equal distance from previous prime (956505659) and next prime (956505661).

It is a super-2 number, since 2×956505660² = 1829806155224071200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (956505661) 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, 284107 + ... + 287453.

It is an arithmetic number, because the mean of its divisors is an integer number (30513672).

Almost surely, 2^956505660 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 956505660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464656256).

956505660 is an abundant number, since it is smaller than the sum of its proper divisors (1972806852).

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

956505660 is a wasteful number, since it uses less digits than its factorization.

956505660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803 (or 3801 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 42.

The square root of 956505660 is about 30927.4256930641. The cubic root of 956505660 is about 985.2864601822.

The spelling of 956505660 in words is "nine hundred fifty-six million, five hundred five thousand, six hundred sixty".