160121276234021 has 4 divisors (see below), whose sum is σ = 162148127832000. Its totient is φ = 158094424636044.

The previous prime is 160121276233969. The next prime is 160121276234039. The reversal of 160121276234021 is 120432672121061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160121276234021 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 (160121276134021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013425798871 + ... + 1013425799028.

It is an arithmetic number, because the mean of its divisors is an integer number (40537031958000).

Almost surely, 2^{160121276234021} is an apocalyptic number.

It is an amenable number.

160121276234021 is a deficient number, since it is larger than the sum of its proper divisors (2026851597979).

160121276234021 is an equidigital number, since it uses as much as digits as its factorization.

160121276234021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026851597978.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 160121276234021 in words is "one hundred sixty trillion, one hundred twenty-one billion, two hundred seventy-six million, two hundred thirty-four thousand, twenty-one".