170001666492 has 48 divisors (see below), whose sum is σ = 473048120832. Its totient is φ = 46460082240.

The previous prime is 170001666479. The next prime is 170001666509. The reversal of 170001666492 is 294666100071.

It is a super-2 number, since 2×170001666492² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 43994359 + ... + 43998222.

It is an arithmetic number, because the mean of its divisors is an integer number (9855169184).

Almost surely, 2^170001666492 is an apocalyptic number.

170001666492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

170001666492 is an abundant number, since it is smaller than the sum of its proper divisors (303046454340).

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

170001666492 is a wasteful number, since it uses less digits than its factorization.

170001666492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87992618 (or 87992616 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 170001666492 in words is "one hundred seventy billion, one million, six hundred sixty-six thousand, four hundred ninety-two".