656601010 has 32 divisors (see below), whose sum is σ = 1328140800. Its totient is φ = 231895488.

The previous prime is 656600999. The next prime is 656601037. The reversal of 656601010 is 10106656.

It is a super-2 number, since 2×656601010² = 862249772666040200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106810 + ... + 112789.

It is an arithmetic number, because the mean of its divisors is an integer number (41504400).

Almost surely, 2^656601010 is an apocalyptic number.

656601010 is an abundant number, since it is smaller than the sum of its proper divisors (671539790).

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

656601010 is a wasteful number, since it uses less digits than its factorization.

656601010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219642.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 656601010 is about 25624.2270127315. The cubic root of 656601010 is about 869.1615694935.

Adding to 656601010 its reverse (10106656), we get a palindrome (666707666).

The spelling of 656601010 in words is "six hundred fifty-six million, six hundred one thousand, ten".