161263046 has 16 divisors (see below), whose sum is σ = 276994080. Its totient is φ = 68976960.

The previous prime is 161263043. The next prime is 161263061. The reversal of 161263046 is 640362161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161263043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761 + ... + 18348.

It is an arithmetic number, because the mean of its divisors is an integer number (17312130).

Almost surely, 2^161263046 is an apocalyptic number.

161263046 is a deficient number, since it is larger than the sum of its proper divisors (115731034).

161263046 is a wasteful number, since it uses less digits than its factorization.

161263046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22639.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 161263046 is about 12698.9387745591. The cubic root of 161263046 is about 544.3082950997.

The spelling of 161263046 in words is "one hundred sixty-one million, two hundred sixty-three thousand, forty-six".