166742575910 has 8 divisors (see below), whose sum is σ = 300136636656. Its totient is φ = 66697030360.

The previous prime is 166742575897. The next prime is 166742575933. The reversal of 166742575910 is 19575247661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×166742575910² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8337128786 + ... + 8337128805.

It is an arithmetic number, because the mean of its divisors is an integer number (37517079582).

Almost surely, 2^166742575910 is an apocalyptic number.

166742575910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166742575910 is a deficient number, since it is larger than the sum of its proper divisors (133394060746).

166742575910 is a wasteful number, since it uses less digits than its factorization.

166742575910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16674257598.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 166742575910 in words is "one hundred sixty-six billion, seven hundred forty-two million, five hundred seventy-five thousand, nine hundred ten".