162116451 has 48 divisors (see below), whose sum is σ = 281342880. Its totient is φ = 91990080.

The previous prime is 162116447. The next prime is 162116459. The reversal of 162116451 is 154611261.

162116451 is a `hidden beast` number, since 1 + 6 + 2 + 11 + 645 + 1 = 666.

It is not a de Polignac number, because 162116451 - 2² = 162116447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (162116459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239125 + ... + 239801.

It is an arithmetic number, because the mean of its divisors is an integer number (5861310).

Almost surely, 2^162116451 is an apocalyptic number.

162116451 is a deficient number, since it is larger than the sum of its proper divisors (119226429).

162116451 is a wasteful number, since it uses less digits than its factorization.

162116451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 868 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 162116451 is about 12732.4958668754. The cubic root of 162116451 is about 545.2667672492.

The spelling of 162116451 in words is "one hundred sixty-two million, one hundred sixteen thousand, four hundred fifty-one".