1601324415 has 24 divisors (see below), whose sum is σ = 2814727968. Its totient is φ = 842009280.

The previous prime is 1601324411. The next prime is 1601324419. The reversal of 1601324415 is 5144231061.

It is a happy number.

1601324415 is a `hidden beast` number, since 1 + 601 + 3 + 2 + 44 + 15 = 666.

It is an interprime number because it is at equal distance from previous prime (1601324411) and next prime (1601324419).

It is not a de Polignac number, because 1601324415 - 2² = 1601324411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601324411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247404 + ... + 253793.

It is an arithmetic number, because the mean of its divisors is an integer number (117280332).

Almost surely, 2^1601324415 is an apocalyptic number.

1601324415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1601324415 is a deficient number, since it is larger than the sum of its proper divisors (1213403553).

1601324415 is a wasteful number, since it uses less digits than its factorization.

1601324415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501279 (or 501276 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1601324415 is about 40016.5517629893. The cubic root of 1601324415 is about 1169.9297240279.

Adding to 1601324415 its reverse (5144231061), we get a palindrome (6745555476).

The spelling of 1601324415 in words is "one billion, six hundred one million, three hundred twenty-four thousand, four hundred fifteen".