16199780017062 has 64 divisors (see below), whose sum is σ = 34947893030400. Its totient is φ = 4989336549120.

The previous prime is 16199780017037. The next prime is 16199780017139. The reversal of 16199780017062 is 26071008799161.

It is a super-2 number, since 2×16199780017062² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 16199780016993 and 16199780017011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13974063 + ... + 15088869.

It is an arithmetic number, because the mean of its divisors is an integer number (546060828600).

Almost surely, 2^{16199780017062} is an apocalyptic number.

16199780017062 is an abundant number, since it is smaller than the sum of its proper divisors (18748113013338).

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

16199780017062 is a wasteful number, since it uses less digits than its factorization.

16199780017062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117981.

The product of its (nonzero) digits is 2286144, while the sum is 57.

The spelling of 16199780017062 in words is "sixteen trillion, one hundred ninety-nine billion, seven hundred eighty million, seventeen thousand, sixty-two".