165520046 has 8 divisors (see below), whose sum is σ = 249767280. Its totient is φ = 82264288.

The previous prime is 165520037. The next prime is 165520049. The reversal of 165520046 is 640025561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165520049) 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, 247451 + ... + 248118.

It is an arithmetic number, because the mean of its divisors is an integer number (31220910).

Almost surely, 2^165520046 is an apocalyptic number.

165520046 is a deficient number, since it is larger than the sum of its proper divisors (84247234).

165520046 is a wasteful number, since it uses less digits than its factorization.

165520046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495738.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 165520046 is about 12865.4594165929. The cubic root of 165520046 is about 549.0562835806.

The spelling of 165520046 in words is "one hundred sixty-five million, five hundred twenty thousand, forty-six".