18146456202554 has 8 divisors (see below), whose sum is σ = 27474073877088. Its totient is φ = 8988431576860.

The previous prime is 18146456202509. The next prime is 18146456202631. The reversal of 18146456202554 is 45520265464181.

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

It is a super-2 number, since 2×18146456202554² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18146456202496 and 18146456202505.

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, 42398261942 + ... + 42398262369.

It is an arithmetic number, because the mean of its divisors is an integer number (3434259234636).

Almost surely, 2^{18146456202554} is an apocalyptic number.

18146456202554 is a deficient number, since it is larger than the sum of its proper divisors (9327617674534).

18146456202554 is a wasteful number, since it uses less digits than its factorization.

18146456202554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84796524420.

The product of its (nonzero) digits is 9216000, while the sum is 53.

The spelling of 18146456202554 in words is "eighteen trillion, one hundred forty-six billion, four hundred fifty-six million, two hundred two thousand, five hundred fifty-four".