16103972769 has 20 divisors (see below), whose sum is σ = 21891475056. Its totient is φ = 10530192088.

The previous prime is 16103972761. The next prime is 16103972771. The reversal of 16103972769 is 96727930161.

It is not a de Polignac number, because 16103972769 - 2³ = 16103972761 is a prime.

It is a super-2 number, since 2×16103972769² (a number of 21 digits) contains 22 as substring.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (16103972761) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36351862 + ... + 36352304.

Almost surely, 2^16103972769 is an apocalyptic number.

It is an amenable number.

16103972769 is a deficient number, since it is larger than the sum of its proper divisors (5787502287).

16103972769 is an frugal number, since it uses more digits than its factorization.

16103972769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 51.

The spelling of 16103972769 in words is "sixteen billion, one hundred three million, nine hundred seventy-two thousand, seven hundred sixty-nine".