1601261343 has 24 divisors (see below), whose sum is σ = 2541638736. Its totient is φ = 963369600.

The previous prime is 1601261329. The next prime is 1601261371. The reversal of 1601261343 is 3431621061.

1601261343 is a `hidden beast` number, since 1 + 6 + 0 + 1 + 2 + 613 + 43 = 666.

It is not a de Polignac number, because 1601261343 - 2⁴ = 1601261327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601261393) 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, 45468 + ... + 72593.

It is an arithmetic number, because the mean of its divisors is an integer number (105901614).

Almost surely, 2^1601261343 is an apocalyptic number.

1601261343 is a deficient number, since it is larger than the sum of its proper divisors (940377393).

1601261343 is a wasteful number, since it uses less digits than its factorization.

1601261343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118215 (or 118212 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1601261343 is about 40015.7636813294. The cubic root of 1601261343 is about 1169.9143636642.

The spelling of 1601261343 in words is "one billion, six hundred one million, two hundred sixty-one thousand, three hundred forty-three".