2661505162652 has 24 divisors (see below), whose sum is σ = 5323227414624. Its totient is φ = 1140598550592.

The previous prime is 2661505162649. The next prime is 2661505162661. The reversal of 2661505162652 is 2562615051662.

It is a junction number, because it is equal to n+sod(n) for n = 2661505162597 and 2661505162606.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1235003 + ... + 2616914.

It is an arithmetic number, because the mean of its divisors is an integer number (221801142276).

Almost surely, 2^{2661505162652} is an apocalyptic number.

It is an amenable number.

2661505162652 is an abundant number, since it is smaller than the sum of its proper divisors (2661722251972).

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

2661505162652 is a wasteful number, since it uses less digits than its factorization.

2661505162652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876605 (or 3876603 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 2661505162652 in words is "two trillion, six hundred sixty-one billion, five hundred five million, one hundred sixty-two thousand, six hundred fifty-two".