65952660 has 48 divisors (see below), whose sum is σ = 186411456. Its totient is φ = 17421312.

The previous prime is 65952659. The next prime is 65952671. The reversal of 65952660 is 6625956.

It is a super-2 number, since 2×65952660² = 8699506722151200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1284 + ... + 11556.

It is an arithmetic number, because the mean of its divisors is an integer number (3883572).

Almost surely, 2^65952660 is an apocalyptic number.

65952660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65952660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93205728).

65952660 is an abundant number, since it is smaller than the sum of its proper divisors (120458796).

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

65952660 is a wasteful number, since it uses less digits than its factorization.

65952660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10392 (or 10390 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 65952660 is about 8121.1243063999. The cubic root of 65952660 is about 404.0273565764.

The spelling of 65952660 in words is "sixty-five million, nine hundred fifty-two thousand, six hundred sixty".