166011357270 has 32 divisors (see below), whose sum is σ = 434647918080. Its totient is φ = 40245177440.

The previous prime is 166011357257. The next prime is 166011357271. The reversal of 166011357270 is 72753110661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166011357271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251532030 + ... + 251532689.

It is an arithmetic number, because the mean of its divisors is an integer number (13582747440).

Almost surely, 2^166011357270 is an apocalyptic number.

166011357270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166011357270 is an abundant number, since it is smaller than the sum of its proper divisors (268636560810).

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

166011357270 is a wasteful number, since it uses less digits than its factorization.

166011357270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503064740.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 166011357270 in words is "one hundred sixty-six billion, eleven million, three hundred fifty-seven thousand, two hundred seventy".