16620035386 has 16 divisors (see below), whose sum is σ = 25108379136. Its totient is φ = 8250658416.

The previous prime is 16620035339. The next prime is 16620035407. The reversal of 16620035386 is 68353002661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396735 + ... + 436621.

It is an arithmetic number, because the mean of its divisors is an integer number (1569273696).

Almost surely, 2^16620035386 is an apocalyptic number.

16620035386 is a deficient number, since it is larger than the sum of its proper divisors (8488343750).

16620035386 is a wasteful number, since it uses less digits than its factorization.

16620035386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41373.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 16620035386 in words is "sixteen billion, six hundred twenty million, thirty-five thousand, three hundred eighty-six".