161504165465062 has 24 divisors (see below), whose sum is σ = 281818074242016. Its totient is φ = 69213667452048.

The previous prime is 161504165465047. The next prime is 161504165465077. The reversal of 161504165465062 is 260564561405161.

It is an interprime number because it is at equal distance from previous prime (161504165465047) and next prime (161504165465077).

It is a super-2 number, since 2×161504165465062² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25774558 + ... + 31421905.

It is an arithmetic number, because the mean of its divisors is an integer number (11742419760084).

Almost surely, 2^{161504165465062} is an apocalyptic number.

161504165465062 is a deficient number, since it is larger than the sum of its proper divisors (120313908776954).

161504165465062 is a wasteful number, since it uses less digits than its factorization.

161504165465062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57225292 (or 57225285 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 52.

The spelling of 161504165465062 in words is "one hundred sixty-one trillion, five hundred four billion, one hundred sixty-five million, four hundred sixty-five thousand, sixty-two".