6612161737 has 4 divisors (see below), whose sum is σ = 6614312320. Its totient is φ = 6610011156.

The previous prime is 6612161719. The next prime is 6612161741. The reversal of 6612161737 is 7371612166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6612161737 - 2¹⁹ = 6611637449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6612161737.

It is not an unprimeable number, because it can be changed into a prime (6612161767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070673 + ... + 1076830.

It is an arithmetic number, because the mean of its divisors is an integer number (1653578080).

Almost surely, 2^6612161737 is an apocalyptic number.

It is an amenable number.

6612161737 is a deficient number, since it is larger than the sum of its proper divisors (2150583).

6612161737 is a wasteful number, since it uses less digits than its factorization.

6612161737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150582.

The product of its digits is 63504, while the sum is 40.

The square root of 6612161737 is about 81315.1999136693. The cubic root of 6612161737 is about 1876.9289055779.

The spelling of 6612161737 in words is "six billion, six hundred twelve million, one hundred sixty-one thousand, seven hundred thirty-seven".