16157941 has 2 divisors, whose sum is σ = 16157942. Its totient is φ = 16157940.

The previous prime is 16157929. The next prime is 16157957. The reversal of 16157941 is 14975161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16080100 + 77841 = 4010^2 + 279^2 .

It is a cyclic number.

It is not a de Polignac number, because 16157941 - 2¹⁵ = 16125173 is a prime.

It is a super-2 number, since 2×16157941² = 522158114718962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16157897 and 16157906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16157971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8078970 + 8078971.

It is an arithmetic number, because the mean of its divisors is an integer number (8078971).

Almost surely, 2^16157941 is an apocalyptic number.

It is an amenable number.

16157941 is a deficient number, since it is larger than the sum of its proper divisors (1).

16157941 is an equidigital number, since it uses as much as digits as its factorization.

16157941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 34.

The square root of 16157941 is about 4019.6941425934. The cubic root of 16157941 is about 252.8106349092.

The spelling of 16157941 in words is "sixteen million, one hundred fifty-seven thousand, nine hundred forty-one".