161200134350 has 24 divisors (see below), whose sum is σ = 299844316920. Its totient is φ = 64477458720.

The previous prime is 161200134349. The next prime is 161200134373. The reversal of 161200134350 is 53431002161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1626521 + ... + 1722779.

It is an arithmetic number, because the mean of its divisors is an integer number (12493513205).

Almost surely, 2^161200134350 is an apocalyptic number.

161200134350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161200134350 is a deficient number, since it is larger than the sum of its proper divisors (138644182570).

161200134350 is a wasteful number, since it uses less digits than its factorization.

161200134350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129764 (or 129759 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 161200134350 in words is "one hundred sixty-one billion, two hundred million, one hundred thirty-four thousand, three hundred fifty".