161016370 has 8 divisors (see below), whose sum is σ = 289829484. Its totient is φ = 64406544.

The previous prime is 161016301. The next prime is 161016371. The reversal of 161016370 is 73610161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 151511481 + 9504889 = 12309^2 + 3083^2 .

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

It is not an unprimeable number, because it can be changed into a prime (161016371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8050809 + ... + 8050828.

Almost surely, 2^161016370 is an apocalyptic number.

161016370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161016370 is a deficient number, since it is larger than the sum of its proper divisors (128813114).

161016370 is a wasteful number, since it uses less digits than its factorization.

161016370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16101644.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 161016370 is about 12689.2225924207. Note that the first 3 decimals coincide. The cubic root of 161016370 is about 544.0306197622.

The spelling of 161016370 in words is "one hundred sixty-one million, sixteen thousand, three hundred seventy".