2401656164025 has 24 divisors (see below), whose sum is σ = 4035832267584. Its totient is φ = 1259885198400.

The previous prime is 2401656163987. The next prime is 2401656164041. The reversal of 2401656164025 is 5204616561042.

It is not a de Polignac number, because 2401656164025 - 2⁷ = 2401656163897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262471509 + ... + 262480658.

It is an arithmetic number, because the mean of its divisors is an integer number (168159677816).

Almost surely, 2^{2401656164025} is an apocalyptic number.

2401656164025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2401656164025 is a deficient number, since it is larger than the sum of its proper divisors (1634176103559).

2401656164025 is a wasteful number, since it uses less digits than its factorization.

2401656164025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524952241 (or 524952236 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 2401656164025 in words is "two trillion, four hundred one billion, six hundred fifty-six million, one hundred sixty-four thousand, twenty-five".