166679837157764 has 96 divisors (see below), whose sum is σ = 337728422868480. Its totient is φ = 70501087641600.

The previous prime is 166679837157761. The next prime is 166679837157767. The reversal of 166679837157764 is 467751738976661.

It is an interprime number because it is at equal distance from previous prime (166679837157761) and next prime (166679837157767).

It is a super-2 number, since 2×166679837157764² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166679837157761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6400656584 + ... + 6400682624.

It is an arithmetic number, because the mean of its divisors is an integer number (3518004404880).

Almost surely, 2^{166679837157764} is an apocalyptic number.

166679837157764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166679837157764 is an abundant number, since it is smaller than the sum of its proper divisors (171048585710716).

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

166679837157764 is a wasteful number, since it uses less digits than its factorization.

166679837157764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30789 (or 30787 counting only the distinct ones).

The product of its digits is 13442526720, while the sum is 83.

The spelling of 166679837157764 in words is "one hundred sixty-six trillion, six hundred seventy-nine billion, eight hundred thirty-seven million, one hundred fifty-seven thousand, seven hundred sixty-four".