165001487 has 8 divisors (see below), whose sum is σ = 189531936. Its totient is φ = 140710752.

The previous prime is 165001483. The next prime is 165001489. The reversal of 165001487 is 784100561.

It is a happy number.

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

It is not a de Polignac number, because 165001487 - 2² = 165001483 is a prime.

It is a super-2 number, since 2×165001487² = 54450981424422338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165001481) 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, 58448 + ... + 61205.

It is an arithmetic number, because the mean of its divisors is an integer number (23691492).

Almost surely, 2^165001487 is an apocalyptic number.

165001487 is a deficient number, since it is larger than the sum of its proper divisors (24530449).

165001487 is a wasteful number, since it uses less digits than its factorization.

165001487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119857.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 165001487 is about 12845.2904599312. The cubic root of 165001487 is about 548.4823028964.

The spelling of 165001487 in words is "one hundred sixty-five million, one thousand, four hundred eighty-seven".