161244051 has 16 divisors (see below), whose sum is σ = 233610240. Its totient is φ = 98552160.

The previous prime is 161244049. The next prime is 161244067. The reversal of 161244051 is 150442161.

It is a happy number.

161244051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161244051 - 2¹ = 161244049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161244071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43860 + ... + 47393.

It is an arithmetic number, because the mean of its divisors is an integer number (14600640).

Almost surely, 2^161244051 is an apocalyptic number.

161244051 is a deficient number, since it is larger than the sum of its proper divisors (72366189).

161244051 is a wasteful number, since it uses less digits than its factorization.

161244051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91306.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 161244051 is about 12698.1908553935. The cubic root of 161244051 is about 544.2869230985.

The spelling of 161244051 in words is "one hundred sixty-one million, two hundred forty-four thousand, fifty-one".