166157376 has 112 divisors (see below), whose sum is σ = 548152320. Its totient is φ = 43153920.

The previous prime is 166157357. The next prime is 166157401. The reversal of 166157376 is 673751661.

It is a tau number, because it is divible by the number of its divisors (112).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9165 + ... + 20403.

Almost surely, 2^166157376 is an apocalyptic number.

166157376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166157376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274076160).

166157376 is an abundant number, since it is smaller than the sum of its proper divisors (381994944).

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

166157376 is a wasteful number, since it uses less digits than its factorization.

166157376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272 (or 11262 counting only the distinct ones).

The product of its digits is 158760, while the sum is 42.

The square root of 166157376 is about 12890.2046531465. The cubic root of 166157376 is about 549.7600893053.

The spelling of 166157376 in words is "one hundred sixty-six million, one hundred fifty-seven thousand, three hundred seventy-six".