166246142046 has 16 divisors (see below), whose sum is σ = 333575324544. Its totient is φ = 55234873944.

The previous prime is 166246142009. The next prime is 166246142047. The reversal of 166246142046 is 640241642661.

It is a super-2 number, since 2×166246142046² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166246141989 and 166246142007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166246142047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45124690 + ... + 45128373.

It is an arithmetic number, because the mean of its divisors is an integer number (20848457784).

Almost surely, 2^166246142046 is an apocalyptic number.

166246142046 is an abundant number, since it is smaller than the sum of its proper divisors (167329182498).

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

166246142046 is a wasteful number, since it uses less digits than its factorization.

166246142046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90253375.

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 166246142046 in words is "one hundred sixty-six billion, two hundred forty-six million, one hundred forty-two thousand, forty-six".