2564130167444 has 12 divisors (see below), whose sum is σ = 4641959786100. Its totient is φ = 1237855942848.

The previous prime is 2564130167419. The next prime is 2564130167447. The reversal of 2564130167444 is 4447610314652.

It can be written as a sum of positive squares in 2 ways, for example, as 1712533415044 + 851596752400 = 1308638^2 + 922820^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564130167447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11052285089 + ... + 11052285320.

It is an arithmetic number, because the mean of its divisors is an integer number (386829982175).

Almost surely, 2^{2564130167444} is an apocalyptic number.

It is an amenable number.

2564130167444 is a deficient number, since it is larger than the sum of its proper divisors (2077829618656).

2564130167444 is a wasteful number, since it uses less digits than its factorization.

2564130167444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22104570442 (or 22104570440 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 2564130167444 in words is "two trillion, five hundred sixty-four billion, one hundred thirty million, one hundred sixty-seven thousand, four hundred forty-four".