16693472078 has 8 divisors (see below), whose sum is σ = 25321559040. Its totient is φ = 8252952400.

The previous prime is 16693472071. The next prime is 16693472111. The reversal of 16693472078 is 87027439661.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16693472071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46891598 + ... + 46891953.

It is an arithmetic number, because the mean of its divisors is an integer number (3165194880).

Almost surely, 2^16693472078 is an apocalyptic number.

16693472078 is a deficient number, since it is larger than the sum of its proper divisors (8628086962).

16693472078 is an equidigital number, since it uses as much as digits as its factorization.

16693472078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93783642.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 16693472078 in words is "sixteen billion, six hundred ninety-three million, four hundred seventy-two thousand, seventy-eight".