161411260550 has 12 divisors (see below), whose sum is σ = 300224944716. Its totient is φ = 64564504200.

The previous prime is 161411260547. The next prime is 161411260613. The reversal of 161411260550 is 55062114161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1614112556 + ... + 1614112655.

It is an arithmetic number, because the mean of its divisors is an integer number (25018745393).

Almost surely, 2^161411260550 is an apocalyptic number.

161411260550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161411260550 is a deficient number, since it is larger than the sum of its proper divisors (138813684166).

161411260550 is a wasteful number, since it uses less digits than its factorization.

161411260550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228225223 (or 3228225218 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 161411260550 in words is "one hundred sixty-one billion, four hundred eleven million, two hundred sixty thousand, five hundred fifty".