1601453871 has 24 divisors (see below), whose sum is σ = 2336122880. Its totient is φ = 1057096656.

The previous prime is 1601453813. The next prime is 1601453881. The reversal of 1601453871 is 1783541061.

1601453871 is a `hidden beast` number, since 1 + 601 + 45 + 3 + 8 + 7 + 1 = 666.

It is not a de Polignac number, because 1601453871 - 2¹⁵ = 1601421103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601453881) 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, 733860 + ... + 736038.

Almost surely, 2^1601453871 is an apocalyptic number.

1601453871 is a deficient number, since it is larger than the sum of its proper divisors (734669009).

1601453871 is a wasteful number, since it uses less digits than its factorization.

1601453871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955 (or 2952 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 1601453871 is about 40018.1692609744. The cubic root of 1601453871 is about 1169.9612500863.

The spelling of 1601453871 in words is "one billion, six hundred one million, four hundred fifty-three thousand, eight hundred seventy-one".