166151700000 has 864 divisors, whose sum is σ = 694365182784. Its totient is φ = 37152000000.

The previous prime is 166151699993. The next prime is 166151700017. The reversal of 166151700000 is 7151661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 128699355 + ... + 128700645.

It is an arithmetic number, because the mean of its divisors is an integer number (803663406).

Almost surely, 2^166151700000 is an apocalyptic number.

166151700000 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 166151700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347182591392).

166151700000 is an abundant number, since it is smaller than the sum of its proper divisors (528213482784).

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

166151700000 is a wasteful number, since it uses less digits than its factorization.

166151700000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

Adding to 166151700000 its reverse (7151661), we get a palindrome (166158851661).

The spelling of 166151700000 in words is "one hundred sixty-six billion, one hundred fifty-one million, seven hundred thousand".