156994822 has 16 divisors (see below), whose sum is σ = 244549872. Its totient is φ = 75530880.

The previous prime is 156994793. The next prime is 156994823. The reversal of 156994822 is 228499651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156994823) 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 7 ways as a sum of consecutive naturals, for example, 7128 + ... + 19099.

It is an arithmetic number, because the mean of its divisors is an integer number (15284367).

Almost surely, 2^156994822 is an apocalyptic number.

156994822 is a deficient number, since it is larger than the sum of its proper divisors (87555050).

156994822 is a wasteful number, since it uses less digits than its factorization.

156994822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26343.

The product of its digits is 311040, while the sum is 46.

The square root of 156994822 is about 12529.7574597436. The cubic root of 156994822 is about 539.4631404221.

The spelling of 156994822 in words is "one hundred fifty-six million, nine hundred ninety-four thousand, eight hundred twenty-two".