2461664145652 has 48 divisors (see below), whose sum is σ = 4430381651920. Its totient is φ = 1195932874752.

The previous prime is 2461664145613. The next prime is 2461664145653. The reversal of 2461664145652 is 2565414661642.

It can be written as a sum of positive squares in 8 ways, for example, as 421777509136 + 2039886636516 = 649444^2 + 1428246^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2461664145652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2461664145653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663698374 + ... + 663702082.

Almost surely, 2^{2461664145652} is an apocalyptic number.

It is an amenable number.

2461664145652 is a deficient number, since it is larger than the sum of its proper divisors (1968717506268).

2461664145652 is a wasteful number, since it uses less digits than its factorization.

2461664145652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660 (or 8658 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 52.

The spelling of 2461664145652 in words is "two trillion, four hundred sixty-one billion, six hundred sixty-four million, one hundred forty-five thousand, six hundred fifty-two".