167990101 has 8 divisors (see below), whose sum is σ = 173024640. Its totient is φ = 162981648.

The previous prime is 167990099. The next prime is 167990111. The reversal of 167990101 is 101099761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 167990101 - 2¹ = 167990099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167990111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6960 + ... + 19606.

It is an arithmetic number, because the mean of its divisors is an integer number (21628080).

Almost surely, 2^167990101 is an apocalyptic number.

It is an amenable number.

167990101 is a deficient number, since it is larger than the sum of its proper divisors (5034539).

167990101 is a wasteful number, since it uses less digits than its factorization.

167990101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13043.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 167990101 is about 12961.0995289752. The cubic root of 167990101 is about 551.7739975275.

The spelling of 167990101 in words is "one hundred sixty-seven million, nine hundred ninety thousand, one hundred one".