3731161505 has 8 divisors (see below), whose sum is σ = 4572657792. Its totient is φ = 2921419888.

The previous prime is 3731161501. The next prime is 3731161517. The reversal of 3731161505 is 5051611373.

3731161505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3731161505 - 2² = 3731161501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3731161501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7938407 + ... + 7938876.

It is an arithmetic number, because the mean of its divisors is an integer number (571582224).

Almost surely, 2^3731161505 is an apocalyptic number.

It is an amenable number.

3731161505 is a deficient number, since it is larger than the sum of its proper divisors (841496287).

3731161505 is a wasteful number, since it uses less digits than its factorization.

3731161505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15877335.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 3731161505 is about 61083.2342382098. The cubic root of 3731161505 is about 1551.0103028316.

Adding to 3731161505 its reverse (5051611373), we get a palindrome (8782772878).

The spelling of 3731161505 in words is "three billion, seven hundred thirty-one million, one hundred sixty-one thousand, five hundred five".