161054766 has 12 divisors (see below), whose sum is σ = 348952032. Its totient is φ = 53684916.

The previous prime is 161054743. The next prime is 161054791. The reversal of 161054766 is 667450161.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 161054766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4473726 + ... + 4473761.

It is an arithmetic number, because the mean of its divisors is an integer number (29079336).

Almost surely, 2^161054766 is an apocalyptic number.

161054766 is an abundant number, since it is smaller than the sum of its proper divisors (187897266).

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

161054766 is a wasteful number, since it uses less digits than its factorization.

161054766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8947495 (or 8947492 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 161054766 is about 12690.7354396820. The cubic root of 161054766 is about 544.0738595469.

The spelling of 161054766 in words is "one hundred sixty-one million, fifty-four thousand, seven hundred sixty-six".