1660461256 has 8 divisors (see below), whose sum is σ = 3113364870. Its totient is φ = 830230624.

The previous prime is 1660461217. The next prime is 1660461293. The reversal of 1660461256 is 6521640661.

It can be written as a sum of positive squares in only one way, i.e., 988096356 + 672364900 = 31434^2 + 25930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103778821 + ... + 103778836.

Almost surely, 2^1660461256 is an apocalyptic number.

It is an amenable number.

1660461256 is a deficient number, since it is larger than the sum of its proper divisors (1452903614).

1660461256 is a wasteful number, since it uses less digits than its factorization.

1660461256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207557663 (or 207557659 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1660461256 is about 40748.7577233957. The cubic root of 1660461256 is about 1184.1578059234.

The spelling of 1660461256 in words is "one billion, six hundred sixty million, four hundred sixty-one thousand, two hundred fifty-six".