2661463262502 has 56 divisors (see below), whose sum is σ = 6529695540840. Its totient is φ = 806504014080.

The previous prime is 2661463262501. The next prime is 2661463262509. The reversal of 2661463262502 is 2052623641662.

2661463262502 is a `hidden beast` number, since 2 + 6 + 6 + 1 + 4 + 632 + 6 + 2 + 5 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661463262501) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 82957627 + ... + 82989702.

Almost surely, 2^{2661463262502} is an apocalyptic number.

2661463262502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2661463262502 is an abundant number, since it is smaller than the sum of its proper divisors (3868232278338).

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

2661463262502 is a wasteful number, since it uses less digits than its factorization.

2661463262502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165947360 (or 165947345 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 2661463262502 in words is "two trillion, six hundred sixty-one billion, four hundred sixty-three million, two hundred sixty-two thousand, five hundred two".