168853478930 has 8 divisors (see below), whose sum is σ = 303936262092. Its totient is φ = 67541391568.

The previous prime is 168853478897. The next prime is 168853478987. The reversal of 168853478930 is 39874358861.

It can be written as a sum of positive squares in 2 ways, for example, as 138809150041 + 30044328889 = 372571^2 + 173333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×168853478930² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8442673937 + ... + 8442673956.

Almost surely, 2^168853478930 is an apocalyptic number.

168853478930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168853478930 is a deficient number, since it is larger than the sum of its proper divisors (135082783162).

168853478930 is a wasteful number, since it uses less digits than its factorization.

168853478930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16885347900.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 168853478930 in words is "one hundred sixty-eight billion, eight hundred fifty-three million, four hundred seventy-eight thousand, nine hundred thirty".