14699969856 has 896 divisors, whose sum is σ = 55712563200. Its totient is φ = 3732480000.

The previous prime is 14699969839. The next prime is 14699969861. The reversal of 14699969856 is 65896999641.

It is a super-2 number, since 2×14699969856² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

Its product of digits (226748160) is a multiple of the sum of its prime divisors (180).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 145544206 + ... + 145544306.

It is an arithmetic number, because the mean of its divisors is an integer number (62179200).

Almost surely, 2^14699969856 is an apocalyptic number.

14699969856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14699969856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27856281600).

14699969856 is an abundant number, since it is smaller than the sum of its proper divisors (41012593344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14699969856 is a wasteful number, since it uses less digits than its factorization.

14699969856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 180 counting only the distinct ones).

The product of its digits is 226748160, while the sum is 72.

The spelling of 14699969856 in words is "fourteen billion, six hundred ninety-nine million, nine hundred sixty-nine thousand, eight hundred fifty-six".