161054315310 has 64 divisors (see below), whose sum is σ = 441828748800. Its totient is φ = 36805767552.

The previous prime is 161054315249. The next prime is 161054315327. The reversal of 161054315310 is 13513450161.

It is a super-2 number, since 2×161054315310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1147236 + ... + 1279944.

It is an arithmetic number, because the mean of its divisors is an integer number (6903574200).

Almost surely, 2^161054315310 is an apocalyptic number.

161054315310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161054315310 is an abundant number, since it is smaller than the sum of its proper divisors (280774433490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161054315310 is a wasteful number, since it uses less digits than its factorization.

161054315310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138505.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 161054315310 its reverse (13513450161), we get a palindrome (174567765471).

The spelling of 161054315310 in words is "one hundred sixty-one billion, fifty-four million, three hundred fifteen thousand, three hundred ten".