163102973451 has 8 divisors (see below), whose sum is σ = 237240688704. Its totient is φ = 98850286920.

The previous prime is 163102973381. The next prime is 163102973459. The reversal of 163102973451 is 154379201361.

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

It is not a de Polignac number, because 163102973451 - 2⁹ = 163102972939 is a prime.

It is a super-2 number, since 2×163102973451² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163102973459) 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, 2471257141 + ... + 2471257206.

It is an arithmetic number, because the mean of its divisors is an integer number (29655086088).

Almost surely, 2^163102973451 is an apocalyptic number.

163102973451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

163102973451 is a deficient number, since it is larger than the sum of its proper divisors (74137715253).

163102973451 is a wasteful number, since it uses less digits than its factorization.

163102973451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942514361.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 163102973451 in words is "one hundred sixty-three billion, one hundred two million, nine hundred seventy-three thousand, four hundred fifty-one".