16151265 has 32 divisors (see below), whose sum is σ = 30925440. Its totient is φ = 7950528.

The previous prime is 16151263. The next prime is 16151281. The reversal of 16151265 is 56215161.

It is a happy number.

It is not a de Polignac number, because 16151265 - 2¹ = 16151263 is a prime.

It is a super-2 number, since 2×16151265² = 521726722200450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16151263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2847 + ... + 6356.

It is an arithmetic number, because the mean of its divisors is an integer number (966420).

Almost surely, 2^16151265 is an apocalyptic number.

16151265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16151265 is a deficient number, since it is larger than the sum of its proper divisors (14774175).

16151265 is a wasteful number, since it uses less digits than its factorization.

16151265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9230 (or 9224 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 16151265 is about 4018.8636453605. The cubic root of 16151265 is about 252.7758120668.

The spelling of 16151265 in words is "sixteen million, one hundred fifty-one thousand, two hundred sixty-five".