17866900342 has 16 divisors (see below), whose sum is σ = 27969046272. Its totient is φ = 8543981160.

The previous prime is 17866900291. The next prime is 17866900343. The reversal of 17866900342 is 24300966871.

It is a super-2 number, since 2×17866900342² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 17866900292 and 17866900301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17866900343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453367 + ... + 491197.

It is an arithmetic number, because the mean of its divisors is an integer number (1748065392).

Almost surely, 2^17866900342 is an apocalyptic number.

17866900342 is a deficient number, since it is larger than the sum of its proper divisors (10102145930).

17866900342 is a wasteful number, since it uses less digits than its factorization.

17866900342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48123.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 17866900342 in words is "seventeen billion, eight hundred sixty-six million, nine hundred thousand, three hundred forty-two".