161062939 has 4 divisors (see below), whose sum is σ = 161897656. Its totient is φ = 160228224.

The previous prime is 161062933. The next prime is 161062987. The reversal of 161062939 is 939260161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161062939 - 2³ = 161062931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161062898 and 161062907.

It is not an unprimeable number, because it can be changed into a prime (161062931) 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, 417069 + ... + 417454.

It is an arithmetic number, because the mean of its divisors is an integer number (40474414).

Almost surely, 2^161062939 is an apocalyptic number.

161062939 is a deficient number, since it is larger than the sum of its proper divisors (834717).

161062939 is an equidigital number, since it uses as much as digits as its factorization.

161062939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834716.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 161062939 is about 12691.0574421519. The cubic root of 161062939 is about 544.0830627113.

The spelling of 161062939 in words is "one hundred sixty-one million, sixty-two thousand, nine hundred thirty-nine".