161148657306 has 64 divisors (see below), whose sum is σ = 396725011200. Its totient is φ = 42495238656.

The previous prime is 161148657253. The next prime is 161148657323. The reversal of 161148657306 is 603756841161.

161148657306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5844280 + ... + 5871788.

It is an arithmetic number, because the mean of its divisors is an integer number (6198828300).

Almost surely, 2^161148657306 is an apocalyptic number.

161148657306 is an abundant number, since it is smaller than the sum of its proper divisors (235576353894).

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

161148657306 is a wasteful number, since it uses less digits than its factorization.

161148657306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38263.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 161148657306 in words is "one hundred sixty-one billion, one hundred forty-eight million, six hundred fifty-seven thousand, three hundred six".