2157201676146 has 48 divisors (see below), whose sum is σ = 4760309961792. Its totient is φ = 651211878240.

The previous prime is 2157201676127. The next prime is 2157201676151. The reversal of 2157201676146 is 6416761027512.

It is a super-2 number, since 2×2157201676146² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2157201676095 and 2157201676104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5458021 + ... + 5839896.

It is an arithmetic number, because the mean of its divisors is an integer number (99173124204).

Almost surely, 2^{2157201676146} is an apocalyptic number.

2157201676146 is an abundant number, since it is smaller than the sum of its proper divisors (2603108285646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2157201676146 is a wasteful number, since it uses less digits than its factorization.

2157201676146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11298207 (or 11298196 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 2157201676146 in words is "two trillion, one hundred fifty-seven billion, two hundred one million, six hundred seventy-six thousand, one hundred forty-six".