22161557170054 has 8 divisors (see below), whose sum is σ = 33271166925720. Its totient is φ = 11071168194816.

The previous prime is 22161557170007. The next prime is 22161557170061. The reversal of 22161557170054 is 45007175516122.

It is a happy number.

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

It is a super-2 number, since 2×22161557170054² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22161557169986 and 22161557170013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4805192224 + ... + 4805196835.

It is an arithmetic number, because the mean of its divisors is an integer number (4158895865715).

Almost surely, 2^{22161557170054} is an apocalyptic number.

22161557170054 is a deficient number, since it is larger than the sum of its proper divisors (11109609755666).

22161557170054 is a wasteful number, since it uses less digits than its factorization.

22161557170054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610390214.

The product of its (nonzero) digits is 588000, while the sum is 46.

The spelling of 22161557170054 in words is "twenty-two trillion, one hundred sixty-one billion, five hundred fifty-seven million, one hundred seventy thousand, fifty-four".