156961346 has 4 divisors (see below), whose sum is σ = 235442022. Its totient is φ = 78480672.

The previous prime is 156961327. The next prime is 156961351. The reversal of 156961346 is 643169651.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 643169651 = 109 ⋅5900639.

It can be written as a sum of positive squares in only one way, i.e., 117961321 + 39000025 = 10861^2 + 6245^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39240335 + ... + 39240338.

Almost surely, 2^156961346 is an apocalyptic number.

156961346 is a deficient number, since it is larger than the sum of its proper divisors (78480676).

156961346 is an equidigital number, since it uses as much as digits as its factorization.

156961346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78480675.

The product of its digits is 116640, while the sum is 41.

The square root of 156961346 is about 12528.4215286683. The cubic root of 156961346 is about 539.4247944614.

The spelling of 156961346 in words is "one hundred fifty-six million, nine hundred sixty-one thousand, three hundred forty-six".