16662361699370 has 128 divisors (see below), whose sum is σ = 32798912256000. Its totient is φ = 6070450417920.

The previous prime is 16662361699343. The next prime is 16662361699393. The reversal of 16662361699370 is 7399616326661.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16662361699297 and 16662361699306.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1265072885 + ... + 1265086055.

It is an arithmetic number, because the mean of its divisors is an integer number (256241502000).

Almost surely, 2^{16662361699370} is an apocalyptic number.

16662361699370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16662361699370 is a deficient number, since it is larger than the sum of its proper divisors (16136550556630).

16662361699370 is a wasteful number, since it uses less digits than its factorization.

16662361699370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14188.

The product of its (nonzero) digits is 79361856, while the sum is 65.

The spelling of 16662361699370 in words is "sixteen trillion, six hundred sixty-two billion, three hundred sixty-one million, six hundred ninety-nine thousand, three hundred seventy".