168758283204 has 81 divisors (see below), whose sum is σ = 496280452941. Its totient is φ = 48211722720.

The previous prime is 168758283173. The next prime is 168758283217. The reversal of 168758283204 is 402382857861.

The square root of 168758283204 is 410802.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 72683081604 + 96075201600 = 269598^2 + 309960^2 .

It is a super-2 number, since 2×168758283204² (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 26 ways as a sum of consecutive naturals, for example, 17248794 + ... + 17258574.

Almost surely, 2^168758283204 is an apocalyptic number.

168758283204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

168758283204 is the 410802-nd square number.

It is an amenable number.

168758283204 is an abundant number, since it is smaller than the sum of its proper divisors (327522169737).

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

168758283204 is an frugal number, since it uses more digits than its factorization.

168758283204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19586 (or 9793 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 168758283204 in words is "one hundred sixty-eight billion, seven hundred fifty-eight million, two hundred eighty-three thousand, two hundred four".