165046490 has 16 divisors (see below), whose sum is σ = 339524352. Its totient is φ = 56587344.

The previous prime is 165046481. The next prime is 165046543. The reversal of 165046490 is 94640561.

It is a super-2 number, since 2×165046490² = 54480687722640200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 165046490.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178834 + ... + 1178973.

It is an arithmetic number, because the mean of its divisors is an integer number (21220272).

Almost surely, 2^165046490 is an apocalyptic number.

165046490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165046490 is an abundant number, since it is smaller than the sum of its proper divisors (174477862).

165046490 is a wasteful number, since it uses less digits than its factorization.

165046490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357821.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 165046490 is about 12847.0420720102. The cubic root of 165046490 is about 548.5321632659.

The spelling of 165046490 in words is "one hundred sixty-five million, forty-six thousand, four hundred ninety".