166376596980 has 192 divisors, whose sum is σ = 521057940480. Its totient is φ = 39315379200.

The previous prime is 166376596973. The next prime is 166376597003. The reversal of 166376596980 is 89695673661.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44024731 + ... + 44028509.

It is an arithmetic number, because the mean of its divisors is an integer number (2713843440).

Almost surely, 2^166376596980 is an apocalyptic number.

166376596980 is a gapful number since it is divisible by the number (10) 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 166376596980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260528970240).

166376596980 is an abundant number, since it is smaller than the sum of its proper divisors (354681343500).

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

166376596980 is a wasteful number, since it uses less digits than its factorization.

166376596980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5470 (or 5468 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 66.

The spelling of 166376596980 in words is "one hundred sixty-six billion, three hundred seventy-six million, five hundred ninety-six thousand, nine hundred eighty".