16337936121 has 16 divisors (see below), whose sum is σ = 23467710336. Its totient is φ = 10050638976.

The previous prime is 16337936113. The next prime is 16337936123. The reversal of 16337936121 is 12163973361.

It is a happy number.

It is not a de Polignac number, because 16337936121 - 2³ = 16337936113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16337936123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44236 + ... + 186098.

It is an arithmetic number, because the mean of its divisors is an integer number (1466731896).

Almost surely, 2^16337936121 is an apocalyptic number.

It is an amenable number.

16337936121 is a deficient number, since it is larger than the sum of its proper divisors (7129774215).

16337936121 is a wasteful number, since it uses less digits than its factorization.

16337936121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144832.

The product of its digits is 122472, while the sum is 42.

The spelling of 16337936121 in words is "sixteen billion, three hundred thirty-seven million, nine hundred thirty-six thousand, one hundred twenty-one".