16696907481 has 8 divisors (see below), whose sum is σ = 22576100544. Its totient is φ = 10974493040.

The previous prime is 16696907473. The next prime is 16696907501. The reversal of 16696907481 is 18470969661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16696907481 - 2³ = 16696907473 is a prime.

It is a super-2 number, since 2×16696907481² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16696907401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39194406 + ... + 39194831.

It is an arithmetic number, because the mean of its divisors is an integer number (2822012568).

Almost surely, 2^16696907481 is an apocalyptic number.

It is an amenable number.

16696907481 is a deficient number, since it is larger than the sum of its proper divisors (5879193063).

16696907481 is an equidigital number, since it uses as much as digits as its factorization.

16696907481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78389311.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 16696907481 in words is "sixteen billion, six hundred ninety-six million, nine hundred seven thousand, four hundred eighty-one".