500166642000 has 80 divisors (see below), whose sum is σ = 1612537273152. Its totient is φ = 133377769600.

The previous prime is 500166641977. The next prime is 500166642047. The reversal of 500166642000 is 246661005.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41674554 + ... + 41686553.

Almost surely, 2^500166642000 is an apocalyptic number.

500166642000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500166642000 is an abundant number, since it is smaller than the sum of its proper divisors (1112370631152).

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

500166642000 is a wasteful number, since it uses less digits than its factorization.

500166642000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83361133 (or 83361117 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 500166642000 in words is "five hundred billion, one hundred sixty-six million, six hundred forty-two thousand".