160537347031621 has 16 divisors (see below), whose sum is σ = 183585790474240. Its totient is φ = 137517549528240.

The previous prime is 160537347031601. The next prime is 160537347031631. The reversal of 160537347031621 is 126130743735061.

It is not a de Polignac number, because 160537347031621 - 2⁴⁷ = 19799858676293 is a prime.

It is a super-2 number, since 2×160537347031621² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160537347031601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165869320 + ... + 166834366.

It is an arithmetic number, because the mean of its divisors is an integer number (11474111904640).

Almost surely, 2^{160537347031621} is an apocalyptic number.

It is an amenable number.

160537347031621 is a deficient number, since it is larger than the sum of its proper divisors (23048443442619).

160537347031621 is a wasteful number, since it uses less digits than its factorization.

160537347031621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979864.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 160537347031621 in words is "one hundred sixty trillion, five hundred thirty-seven billion, three hundred forty-seven million, thirty-one thousand, six hundred twenty-one".