160121656 has 8 divisors (see below), whose sum is σ = 300228120. Its totient is φ = 80060824.

The previous prime is 160121641. The next prime is 160121659. The reversal of 160121656 is 656121061.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160121659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10007596 + ... + 10007611.

It is an arithmetic number, because the mean of its divisors is an integer number (37528515).

Almost surely, 2^160121656 is an apocalyptic number.

It is an amenable number.

160121656 is a deficient number, since it is larger than the sum of its proper divisors (140106464).

160121656 is a wasteful number, since it uses less digits than its factorization.

160121656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20015213 (or 20015209 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 160121656 is about 12653.9186025515. The cubic root of 160121656 is about 543.0210822895.

The spelling of 160121656 in words is "one hundred sixty million, one hundred twenty-one thousand, six hundred fifty-six".