2660778526102 has 128 divisors (see below), whose sum is σ = 4597730242560. Its totient is φ = 1148290007040.

The previous prime is 2660778526073. The next prime is 2660778526117. The reversal of 2660778526102 is 2016258770662.

It is a self number, because there is not a number n which added to its sum of digits gives 2660778526102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 769676758 + ... + 769680214.

It is an arithmetic number, because the mean of its divisors is an integer number (35919767520).

Almost surely, 2^{2660778526102} is an apocalyptic number.

2660778526102 is a deficient number, since it is larger than the sum of its proper divisors (1936951716458).

2660778526102 is a wasteful number, since it uses less digits than its factorization.

2660778526102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 2660778526102 in words is "two trillion, six hundred sixty billion, seven hundred seventy-eight million, five hundred twenty-six thousand, one hundred two".