2631564056154 has 96 divisors (see below), whose sum is σ = 5908519552320. Its totient is φ = 780606097920.

The previous prime is 2631564056137. The next prime is 2631564056243. The reversal of 2631564056154 is 4516504651362.

It is a happy number.

2631564056154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6367794 + ... + 6768450.

It is an arithmetic number, because the mean of its divisors is an integer number (61547078670).

Almost surely, 2^{2631564056154} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2631564056154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2954259776160).

2631564056154 is an abundant number, since it is smaller than the sum of its proper divisors (3276955496166).

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

2631564056154 is a wasteful number, since it uses less digits than its factorization.

2631564056154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400876 (or 400865 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 2631564056154 in words is "two trillion, six hundred thirty-one billion, five hundred sixty-four million, fifty-six thousand, one hundred fifty-four".