168268651445 has 32 divisors (see below), whose sum is σ = 205867992960. Its totient is φ = 132012840960.

The previous prime is 168268651399. The next prime is 168268651451. The reversal of 168268651445 is 544156862861.

It is not a de Polignac number, because 168268651445 - 2¹⁴ = 168268635061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39674525 + ... + 39678765.

It is an arithmetic number, because the mean of its divisors is an integer number (6433374780).

Almost surely, 2^168268651445 is an apocalyptic number.

It is an amenable number.

168268651445 is a deficient number, since it is larger than the sum of its proper divisors (37599341515).

168268651445 is a wasteful number, since it uses less digits than its factorization.

168268651445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045.

The product of its digits is 11059200, while the sum is 56.

The spelling of 168268651445 in words is "one hundred sixty-eight billion, two hundred sixty-eight million, six hundred fifty-one thousand, four hundred forty-five".