160678674371021 has 4 divisors (see below), whose sum is σ = 161905229137344. Its totient is φ = 159452119604700.

The previous prime is 160678674371009. The next prime is 160678674371027. The reversal of 160678674371021 is 120173476876061.

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-160678674371021 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 (160678674371027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613277382965 + ... + 613277383226.

It is an arithmetic number, because the mean of its divisors is an integer number (40476307284336).

Almost surely, 2^{160678674371021} is an apocalyptic number.

It is an amenable number.

160678674371021 is a deficient number, since it is larger than the sum of its proper divisors (1226554766323).

160678674371021 is a wasteful number, since it uses less digits than its factorization.

160678674371021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226554766322.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 160678674371021 in words is "one hundred sixty trillion, six hundred seventy-eight billion, six hundred seventy-four million, three hundred seventy-one thousand, twenty-one".