166044037270 has 32 divisors (see below), whose sum is σ = 316487951136. Its totient is φ = 62505254400.

The previous prime is 166044037261. The next prime is 166044037297. The reversal of 166044037270 is 72730440661.

It is a super-2 number, since 2×166044037270² (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 15 ways as a sum of consecutive naturals, for example, 2291800 + ... + 2363140.

It is an arithmetic number, because the mean of its divisors is an integer number (9890248473).

Almost surely, 2^166044037270 is an apocalyptic number.

166044037270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166044037270 is a deficient number, since it is larger than the sum of its proper divisors (150443913866).

166044037270 is a wasteful number, since it uses less digits than its factorization.

166044037270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85056.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 166044037270 in words is "one hundred sixty-six billion, forty-four million, thirty-seven thousand, two hundred seventy".