161413329930 has 32 divisors (see below), whose sum is σ = 387501710400. Its totient is φ = 43031363712.

The previous prime is 161413329929. The next prime is 161413330007. The reversal of 161413329930 is 39923314161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653995 + ... + 866334.

It is an arithmetic number, because the mean of its divisors is an integer number (12109428450).

Almost surely, 2^161413329930 is an apocalyptic number.

161413329930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161413329930 is an abundant number, since it is smaller than the sum of its proper divisors (226088380470).

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

161413329930 is a wasteful number, since it uses less digits than its factorization.

161413329930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523878.

The product of its (nonzero) digits is 104976, while the sum is 42.

The spelling of 161413329930 in words is "one hundred sixty-one billion, four hundred thirteen million, three hundred twenty-nine thousand, nine hundred thirty".