166457254353 has 64 divisors (see below), whose sum is σ = 249664197888. Its totient is φ = 97986170880.

The previous prime is 166457254343. The next prime is 166457254399. The reversal of 166457254353 is 353452754661.

It is not a de Polignac number, because 166457254353 - 2⁸ = 166457254097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166457254296 and 166457254305.

It is not an unprimeable number, because it can be changed into a prime (166457254343) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20189650 + ... + 20197892.

It is an arithmetic number, because the mean of its divisors is an integer number (3901003092).

Almost surely, 2^166457254353 is an apocalyptic number.

166457254353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

166457254353 is a deficient number, since it is larger than the sum of its proper divisors (83206943535).

166457254353 is a wasteful number, since it uses less digits than its factorization.

166457254353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546.

The product of its digits is 9072000, while the sum is 51.

The spelling of 166457254353 in words is "one hundred sixty-six billion, four hundred fifty-seven million, two hundred fifty-four thousand, three hundred fifty-three".