161358816733675 has 48 divisors (see below), whose sum is σ = 220484920061952. Its totient is φ = 116164397606400.

The previous prime is 161358816733669. The next prime is 161358816733693. The reversal of 161358816733675 is 576337618853161.

It is not a de Polignac number, because 161358816733675 - 2⁴³ = 152562723711467 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67283062 + ... + 69639988.

It is an arithmetic number, because the mean of its divisors is an integer number (4593435834624).

Almost surely, 2^{161358816733675} is an apocalyptic number.

161358816733675 is a deficient number, since it is larger than the sum of its proper divisors (59126103328277).

161358816733675 is a wasteful number, since it uses less digits than its factorization.

161358816733675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359468 (or 2359463 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 70.

The spelling of 161358816733675 in words is "one hundred sixty-one trillion, three hundred fifty-eight billion, eight hundred sixteen million, seven hundred thirty-three thousand, six hundred seventy-five".