161584086350 has 48 divisors (see below), whose sum is σ = 307701622800. Its totient is φ = 63096499200.

The previous prime is 161584086329. The next prime is 161584086401. The reversal of 161584086350 is 53680485161.

It is a super-2 number, since 2×161584086350² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161584086295 and 161584086304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4171070 + ... + 4209630.

It is an arithmetic number, because the mean of its divisors is an integer number (6410450475).

Almost surely, 2^161584086350 is an apocalyptic number.

161584086350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161584086350 is a deficient number, since it is larger than the sum of its proper divisors (146117536450).

161584086350 is a wasteful number, since it uses less digits than its factorization.

161584086350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40565 (or 40560 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 161584086350 in words is "one hundred sixty-one billion, five hundred eighty-four million, eighty-six thousand, three hundred fifty".