161435530715 has 32 divisors (see below), whose sum is σ = 201049744896. Its totient is φ = 124309831680.

The previous prime is 161435530709. The next prime is 161435530721. The reversal of 161435530715 is 517035534161.

It is an interprime number because it is at equal distance from previous prime (161435530709) and next prime (161435530721).

It is not a de Polignac number, because 161435530715 - 2⁶ = 161435530651 is a prime.

It is a super-2 number, since 2×161435530715² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43950119 + ... + 43953791.

It is an arithmetic number, because the mean of its divisors is an integer number (6282804528).

Almost surely, 2^161435530715 is an apocalyptic number.

161435530715 is a deficient number, since it is larger than the sum of its proper divisors (39614214181).

161435530715 is a wasteful number, since it uses less digits than its factorization.

161435530715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 161435530715 in words is "one hundred sixty-one billion, four hundred thirty-five million, five hundred thirty thousand, seven hundred fifteen".