1601464515 has 64 divisors (see below), whose sum is σ = 3129477120. Its totient is φ = 682629120.

The previous prime is 1601464507. The next prime is 1601464517. The reversal of 1601464515 is 5154641061.

It is not a de Polignac number, because 1601464515 - 2³ = 1601464507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1601464517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190450 + ... + 198680.

It is an arithmetic number, because the mean of its divisors is an integer number (48898080).

Almost surely, 2^1601464515 is an apocalyptic number.

1601464515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1601464515 is a deficient number, since it is larger than the sum of its proper divisors (1528012605).

1601464515 is a wasteful number, since it uses less digits than its factorization.

1601464515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1601464515 is about 40018.3022503454. The cubic root of 1601464515 is about 1169.9638421144.

The spelling of 1601464515 in words is "one billion, six hundred one million, four hundred sixty-four thousand, five hundred fifteen".