26552822161898 has 4 divisors (see below), whose sum is σ = 39829233242850. Its totient is φ = 13276411080948.

The previous prime is 26552822161847. The next prime is 26552822161973. The reversal of 26552822161898 is 89816122825562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14135817816169 + 12417004345729 = 3759763^2 + 3523777^2 .

It is a super-2 number, since 2×26552822161898² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6638205540473 + ... + 6638205540476.

Almost surely, 2^{26552822161898} is an apocalyptic number.

26552822161898 is a deficient number, since it is larger than the sum of its proper divisors (13276411080952).

26552822161898 is a wasteful number, since it uses less digits than its factorization.

26552822161898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13276411080951.

The product of its digits is 66355200, while the sum is 65.

The spelling of 26552822161898 in words is "twenty-six trillion, five hundred fifty-two billion, eight hundred twenty-two million, one hundred sixty-one thousand, eight hundred ninety-eight".