26342177656 has 32 divisors (see below), whose sum is σ = 51703817760. Its totient is φ = 12558154752.

The previous prime is 26342177627. The next prime is 26342177683. The reversal of 26342177656 is 65677124362.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171105 + ... + 286288.

It is an arithmetic number, because the mean of its divisors is an integer number (1615744305).

Almost surely, 2^26342177656 is an apocalyptic number.

It is an amenable number.

26342177656 is a deficient number, since it is larger than the sum of its proper divisors (25361640104).

26342177656 is a wasteful number, since it uses less digits than its factorization.

26342177656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457735 (or 457731 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

The spelling of 26342177656 in words is "twenty-six billion, three hundred forty-two million, one hundred seventy-seven thousand, six hundred fifty-six".