652677660 has 36 divisors (see below), whose sum is σ = 1979789448. Its totient is φ = 174047328.

The previous prime is 652677631. The next prime is 652677667. The reversal of 652677660 is 66776256.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652677667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1812814 + ... + 1813173.

Almost surely, 2^652677660 is an apocalyptic number.

652677660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652677660 is an abundant number, since it is smaller than the sum of its proper divisors (1327111788).

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

652677660 is a wasteful number, since it uses less digits than its factorization.

652677660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626002 (or 3625997 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 652677660 is about 25547.5568303507. The cubic root of 652677660 is about 867.4269597196.

It can be divided in two parts, 65267 and 7660, that added together give a palindrome (72927).

The spelling of 652677660 in words is "six hundred fifty-two million, six hundred seventy-seven thousand, six hundred sixty".