16545170426425 has 48 divisors (see below), whose sum is σ = 20837925216000. Its totient is φ = 13029187530240.

The previous prime is 16545170426419. The next prime is 16545170426483. The reversal of 16545170426425 is 52462407154561.

It is not a de Polignac number, because 16545170426425 - 2⁷ = 16545170426297 is a prime.

It is a super-3 number, since 3×16545170426425³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2820036342 + ... + 2820042208.

It is an arithmetic number, because the mean of its divisors is an integer number (434123442000).

Almost surely, 2^{16545170426425} is an apocalyptic number.

It is an amenable number.

16545170426425 is a deficient number, since it is larger than the sum of its proper divisors (4292754789575).

16545170426425 is a wasteful number, since it uses less digits than its factorization.

16545170426425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8722 (or 8717 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 16545170426425 in words is "sixteen trillion, five hundred forty-five billion, one hundred seventy million, four hundred twenty-six thousand, four hundred twenty-five".