161452867902 has 8 divisors (see below), whose sum is σ = 322905735816. Its totient is φ = 53817622632.

The previous prime is 161452867889. The next prime is 161452867913. The reversal of 161452867902 is 209768254161.

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

161452867902 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13454405653 + ... + 13454405664.

It is an arithmetic number, because the mean of its divisors is an integer number (40363216977).

Almost surely, 2^161452867902 is an apocalyptic number.

161452867902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161452867902 is a wasteful number, since it uses less digits than its factorization.

161452867902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26908811322.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 161452867902 in words is "one hundred sixty-one billion, four hundred fifty-two million, eight hundred sixty-seven thousand, nine hundred two".