161150201461 has 4 divisors (see below), whose sum is σ = 161675120992. Its totient is φ = 160625281932.

The previous prime is 161150201447. The next prime is 161150201483. The reversal of 161150201461 is 164102051161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161150201461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161150211461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262459305 + ... + 262459918.

It is an arithmetic number, because the mean of its divisors is an integer number (40418780248).

Almost surely, 2^161150201461 is an apocalyptic number.

It is an amenable number.

161150201461 is a deficient number, since it is larger than the sum of its proper divisors (524919531).

161150201461 is an equidigital number, since it uses as much as digits as its factorization.

161150201461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524919530.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 161150201461 in words is "one hundred sixty-one billion, one hundred fifty million, two hundred one thousand, four hundred sixty-one".