161500060715 has 32 divisors (see below), whose sum is σ = 222139532160. Its totient is φ = 110416379904.

The previous prime is 161500060681. The next prime is 161500060717. The reversal of 161500060715 is 517060005161.

161500060715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 161500060715 - 2³⁰ = 160426318891 is a prime.

It is a super-2 number, since 2×161500060715² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161500060717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36627431 + ... + 36631839.

It is an arithmetic number, because the mean of its divisors is an integer number (6941860380).

Almost surely, 2^161500060715 is an apocalyptic number.

161500060715 is a deficient number, since it is larger than the sum of its proper divisors (60639471445).

161500060715 is a wasteful number, since it uses less digits than its factorization.

161500060715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271.

The product of its (nonzero) digits is 6300, while the sum is 32.

Adding to 161500060715 its reverse (517060005161), we get a palindrome (678560065876).

The spelling of 161500060715 in words is "one hundred sixty-one billion, five hundred million, sixty thousand, seven hundred fifteen".