168070404451 has 8 divisors (see below), whose sum is σ = 171985367664. Its totient is φ = 164155729920.

The previous prime is 168070404427. The next prime is 168070404487. The reversal of 168070404451 is 154404070861.

168070404451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 168070404451 - 2²¹ = 168068307299 is a prime.

It is a super-2 number, since 2×168070404451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168070404251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499811 + ... + 1607971.

It is an arithmetic number, because the mean of its divisors is an integer number (21498170958).

Almost surely, 2^168070404451 is an apocalyptic number.

168070404451 is a deficient number, since it is larger than the sum of its proper divisors (3914963213).

168070404451 is a wasteful number, since it uses less digits than its factorization.

168070404451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144341.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 168070404451 in words is "one hundred sixty-eight billion, seventy million, four hundred four thousand, four hundred fifty-one".