1601531468 has 12 divisors (see below), whose sum is σ = 2824749312. Its totient is φ = 794460240.

The previous prime is 1601531453. The next prime is 1601531479. The reversal of 1601531468 is 8641351061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575803 + ... + 1576818.

It is an arithmetic number, because the mean of its divisors is an integer number (235395776).

Almost surely, 2^1601531468 is an apocalyptic number.

It is an amenable number.

1601531468 is a deficient number, since it is larger than the sum of its proper divisors (1223217844).

1601531468 is a wasteful number, since it uses less digits than its factorization.

1601531468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152752 (or 3152750 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1601531468 is about 40019.1387713429. The cubic root of 1601531468 is about 1169.9801462528.

The spelling of 1601531468 in words is "one billion, six hundred one million, five hundred thirty-one thousand, four hundred sixty-eight".