168258651820106 has 16 divisors (see below), whose sum is σ = 253848137566464. Its totient is φ = 83642610830064.

The previous prime is 168258651820081. The next prime is 168258651820117. The reversal of 168258651820106 is 601028156852861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74932991 + ... + 77145773.

It is an arithmetic number, because the mean of its divisors is an integer number (15865508597904).

Almost surely, 2^{168258651820106} is an apocalyptic number.

168258651820106 is a deficient number, since it is larger than the sum of its proper divisors (85589485746358).

168258651820106 is a wasteful number, since it uses less digits than its factorization.

168258651820106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432725.

The product of its (nonzero) digits is 11059200, while the sum is 59.

The spelling of 168258651820106 in words is "one hundred sixty-eight trillion, two hundred fifty-eight billion, six hundred fifty-one million, eight hundred twenty thousand, one hundred six".