166530056116654 has 4 divisors (see below), whose sum is σ = 249795084174984. Its totient is φ = 83265028058326.

The previous prime is 166530056116643. The next prime is 166530056116663. The reversal of 166530056116654 is 456611650035661.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 166530056116595 and 166530056116604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41632514029162 + ... + 41632514029165.

It is an arithmetic number, because the mean of its divisors is an integer number (62448771043746).

Almost surely, 2^{166530056116654} is an apocalyptic number.

166530056116654 is a deficient number, since it is larger than the sum of its proper divisors (83265028058330).

166530056116654 is an equidigital number, since it uses as much as digits as its factorization.

166530056116654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83265028058329.

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 166530056116654 in words is "one hundred sixty-six trillion, five hundred thirty billion, fifty-six million, one hundred sixteen thousand, six hundred fifty-four".