26156572463 has 8 divisors (see below), whose sum is σ = 31192931328. Its totient is φ = 21445140024.

The previous prime is 26156572457. The next prime is 26156572489. The reversal of 26156572463 is 36427565162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26156572463 - 2⁴ = 26156572447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26156572423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81231431 + ... + 81231752.

It is an arithmetic number, because the mean of its divisors is an integer number (3899116416).

Almost surely, 2^26156572463 is an apocalyptic number.

26156572463 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

26156572463 is a deficient number, since it is larger than the sum of its proper divisors (5036358865).

26156572463 is a wasteful number, since it uses less digits than its factorization.

26156572463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162463213.

The product of its digits is 1814400, while the sum is 47.

The spelling of 26156572463 in words is "twenty-six billion, one hundred fifty-six million, five hundred seventy-two thousand, four hundred sixty-three".