163662354006451 has 8 divisors (see below), whose sum is σ = 163762760581200. Its totient is φ = 163561952232672.

The previous prime is 163662354006439. The next prime is 163662354006469. The reversal of 163662354006451 is 154600453266361.

163662354006451 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 163662354006451 - 2²⁹ = 163661817135539 is a prime.

It is a super-2 number, since 2×163662354006451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163662354006421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68230281 + ... + 70588213.

It is an arithmetic number, because the mean of its divisors is an integer number (20470345072650).

Almost surely, 2^{163662354006451} is an apocalyptic number.

163662354006451 is a deficient number, since it is larger than the sum of its proper divisors (100406574749).

163662354006451 is a wasteful number, since it uses less digits than its factorization.

163662354006451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400485.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 163662354006451 in words is "one hundred sixty-three trillion, six hundred sixty-two billion, three hundred fifty-four million, six thousand, four hundred fifty-one".