161450357365 has 64 divisors (see below), whose sum is σ = 237475307520. Its totient is φ = 103914173440.

The previous prime is 161450357353. The next prime is 161450357377. The reversal of 161450357365 is 563753054161.

It is an interprime number because it is at equal distance from previous prime (161450357353) and next prime (161450357377).

It is not a de Polignac number, because 161450357365 - 2²¹ = 161448260213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1205172 + ... + 1332418.

It is an arithmetic number, because the mean of its divisors is an integer number (3710551680).

Almost surely, 2^161450357365 is an apocalyptic number.

It is an amenable number.

161450357365 is a deficient number, since it is larger than the sum of its proper divisors (76024950155).

161450357365 is a wasteful number, since it uses less digits than its factorization.

161450357365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127362.

The product of its (nonzero) digits is 1134000, while the sum is 46.

It can be divided in two parts, 161450 and 357365, that added together give a palindrome (518815).

The spelling of 161450357365 in words is "one hundred sixty-one billion, four hundred fifty million, three hundred fifty-seven thousand, three hundred sixty-five".