16157946 has 24 divisors (see below), whose sum is σ = 37592640. Its totient is φ = 4616472.

The previous prime is 16157941. The next prime is 16157957. The reversal of 16157946 is 64975161.

It is a super-2 number, since 2×16157946² = 522158437877832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16157941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27186 + ... + 27773.

It is an arithmetic number, because the mean of its divisors is an integer number (1566360).

Almost surely, 2^16157946 is an apocalyptic number.

16157946 is an abundant number, since it is smaller than the sum of its proper divisors (21434694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16157946 is a wasteful number, since it uses less digits than its factorization.

16157946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54978 (or 54971 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 16157946 is about 4019.6947645313. The cubic root of 16157946 is about 252.8106609862.

The spelling of 16157946 in words is "sixteen million, one hundred fifty-seven thousand, nine hundred forty-six".