26161500026 has 16 divisors (see below), whose sum is σ = 41311017600. Its totient is φ = 12391273728.

The previous prime is 26161500019. The next prime is 26161500031. The reversal of 26161500026 is 62000516162.

It is a super-2 number, since 2×26161500026² (a number of 22 digits) contains 22 as substring.

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, 658586 + ... + 697178.

It is an arithmetic number, because the mean of its divisors is an integer number (2581938600).

Almost surely, 2^26161500026 is an apocalyptic number.

26161500026 is a deficient number, since it is larger than the sum of its proper divisors (15149517574).

26161500026 is a wasteful number, since it uses less digits than its factorization.

26161500026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56453.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 26161500026 in words is "twenty-six billion, one hundred sixty-one million, five hundred thousand, twenty-six".