161477041444770 has 32 divisors (see below), whose sum is σ = 387545700487680. Its totient is φ = 43060455383040.

The previous prime is 161477041444759. The next prime is 161477041444799. The reversal of 161477041444770 is 77444140774161.

161477041444770 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-3 number, since 3×161477041444770³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161477041444770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9898146 + ... + 20516514.

It is an arithmetic number, because the mean of its divisors is an integer number (12110803140240).

Almost surely, 2^{161477041444770} is an apocalyptic number.

161477041444770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161477041444770 is an abundant number, since it is smaller than the sum of its proper divisors (226068659042910).

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

161477041444770 is a wasteful number, since it uses less digits than its factorization.

161477041444770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125290.

The product of its (nonzero) digits is 14751744, while the sum is 57.

The spelling of 161477041444770 in words is "one hundred sixty-one trillion, four hundred seventy-seven billion, forty-one million, four hundred forty-four thousand, seven hundred seventy".