16101939 has 12 divisors (see below), whose sum is σ = 24974664. Its totient is φ = 9201024.

The previous prime is 16101929. The next prime is 16101947. The reversal of 16101939 is 93910161.

It is not a de Polignac number, because 16101939 - 2¹¹ = 16099891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16101929) 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, 54622 + ... + 54915.

It is an arithmetic number, because the mean of its divisors is an integer number (2081222).

Almost surely, 2^16101939 is an apocalyptic number.

16101939 is a deficient number, since it is larger than the sum of its proper divisors (8872725).

16101939 is a wasteful number, since it uses less digits than its factorization.

16101939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109554 (or 109547 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 16101939 is about 4012.7221433835. The cubic root of 16101939 is about 252.5182236953.

The spelling of 16101939 in words is "sixteen million, one hundred one thousand, nine hundred thirty-nine".