161108243130 has 32 divisors (see below), whose sum is σ = 386675463168. Its totient is φ = 42960456000.

The previous prime is 161108243119. The next prime is 161108243183. The reversal of 161108243130 is 31342801161.

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

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, 755820 + ... + 945240.

It is an arithmetic number, because the mean of its divisors is an integer number (12083608224).

Almost surely, 2^161108243130 is an apocalyptic number.

161108243130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161108243130 is an abundant number, since it is smaller than the sum of its proper divisors (225567220038).

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

161108243130 is a wasteful number, since it uses less digits than its factorization.

161108243130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217782.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 161108243130 in words is "one hundred sixty-one billion, one hundred eight million, two hundred forty-three thousand, one hundred thirty".