1616231701 has 16 divisors (see below), whose sum is σ = 1957029120. Its totient is φ = 1303015680.

The previous prime is 1616231699. The next prime is 1616231711. The reversal of 1616231701 is 1071326161.

It is a cyclic number.

It is not a de Polignac number, because 1616231701 - 2¹ = 1616231699 is a prime.

It is a super-2 number, since 2×1616231701² = 5224409822634706802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616231701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616231711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239311 + ... + 245971.

It is an arithmetic number, because the mean of its divisors is an integer number (122314320).

Almost surely, 2^1616231701 is an apocalyptic number.

It is an amenable number.

1616231701 is a deficient number, since it is larger than the sum of its proper divisors (340797419).

1616231701 is a wasteful number, since it uses less digits than its factorization.

1616231701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1616231701 is about 40202.3842700903. The cubic root of 1616231701 is about 1173.5489438823.

Adding to 1616231701 its reverse (1071326161), we get a palindrome (2687557862).

The spelling of 1616231701 in words is "one billion, six hundred sixteen million, two hundred thirty-one thousand, seven hundred one".