161402448076 has 6 divisors (see below), whose sum is σ = 282454284140. Its totient is φ = 80701224036.

The previous prime is 161402448071. The next prime is 161402448149. The reversal of 161402448076 is 670844204161.

It is a happy number.

161402448076 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161402448076² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161402448071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20175306006 + ... + 20175306013.

Almost surely, 2^161402448076 is an apocalyptic number.

It is an amenable number.

161402448076 is a deficient number, since it is larger than the sum of its proper divisors (121051836064).

161402448076 is a wasteful number, since it uses less digits than its factorization.

161402448076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40350612023 (or 40350612021 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 161402448076 in words is "one hundred sixty-one billion, four hundred two million, four hundred forty-eight thousand, seventy-six".