2626669164780 has 480 divisors, whose sum is σ = 8760151572480. Its totient is φ = 657756288000.

The previous prime is 2626669164737. The next prime is 2626669164817. The reversal of 2626669164780 is 874619666262.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 393269481 + ... + 393276159.

It is an arithmetic number, because the mean of its divisors is an integer number (18250315776).

Almost surely, 2^{2626669164780} is an apocalyptic number.

2626669164780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2626669164780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4380075786240).

2626669164780 is an abundant number, since it is smaller than the sum of its proper divisors (6133482407700).

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

2626669164780 is a wasteful number, since it uses less digits than its factorization.

2626669164780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963 (or 6952 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 2626669164780 in words is "two trillion, six hundred twenty-six billion, six hundred sixty-nine million, one hundred sixty-four thousand, seven hundred eighty".