161416505630 has 8 divisors (see below), whose sum is σ = 290549710152. Its totient is φ = 64566602248.

The previous prime is 161416505623. The next prime is 161416505633. The reversal of 161416505630 is 36505614161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161416505633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8070825272 + ... + 8070825291.

It is an arithmetic number, because the mean of its divisors is an integer number (36318713769).

Almost surely, 2^161416505630 is an apocalyptic number.

161416505630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161416505630 is a deficient number, since it is larger than the sum of its proper divisors (129133204522).

161416505630 is a wasteful number, since it uses less digits than its factorization.

161416505630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16141650570.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 161416505630 in words is "one hundred sixty-one billion, four hundred sixteen million, five hundred five thousand, six hundred thirty".