1601150265 has 96 divisors (see below), whose sum is σ = 3314787840. Its totient is φ = 704678400.

The previous prime is 1601150263. The next prime is 1601150281. The reversal of 1601150265 is 5620511061.

It is a happy number.

1601150265 is a `hidden beast` number, since 1 + 601 + 1 + 50 + 2 + 6 + 5 = 666.

It is not a de Polignac number, because 1601150265 - 2¹ = 1601150263 is a prime.

It is a super-2 number, since 2×1601150265² = 5127364342219140450, which contains 22 as substring.

Together with 1713637575 it forms an amicable pair .

It is not an unprimeable number, because it can be changed into a prime (1601150263) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 390496 + ... + 394574.

It is an arithmetic number, because the mean of its divisors is an integer number (34529040).

Almost surely, 2^1601150265 is an apocalyptic number.

1601150265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1601150265 is an abundant number, since it is smaller than the sum of its proper divisors (1713637575).

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

1601150265 is a wasteful number, since it uses less digits than its factorization.

1601150265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175 (or 4172 counting only the distinct ones).

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

The square root of 1601150265 is about 40014.3757292301. The cubic root of 1601150265 is about 1169.8873110840.

The spelling of 1601150265 in words is "one billion, six hundred one million, one hundred fifty thousand, two hundred sixty-five".