609942166000 has 40 divisors (see below), whose sum is σ = 1474840162224. Its totient is φ = 243976865600.

The previous prime is 609942165977. The next prime is 609942166003. The reversal of 609942166000 is 661249906.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609942166003) 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, 152483542 + ... + 152487541.

Almost surely, 2^609942166000 is an apocalyptic number.

It is an amenable number.

609942166000 is an abundant number, since it is smaller than the sum of its proper divisors (864897996224).

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

609942166000 is a wasteful number, since it uses less digits than its factorization.

609942166000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304971106 (or 304971090 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 609942166000 in words is "six hundred nine billion, nine hundred forty-two million, one hundred sixty-six thousand".