737671661617 has 8 divisors (see below), whose sum is σ = 804762133920. Its totient is φ = 670586091360.

The previous prime is 737671661609. The next prime is 737671661647. The reversal of 737671661617 is 716166176737.

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 737671661617 - 2³ = 737671661609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (737671661647) 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, 907267 + ... + 1516072.

It is an arithmetic number, because the mean of its divisors is an integer number (100595266740).

Almost surely, 2^737671661617 is an apocalyptic number.

It is an amenable number.

737671661617 is a deficient number, since it is larger than the sum of its proper divisors (67090472303).

737671661617 is a wasteful number, since it uses less digits than its factorization.

737671661617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451023.

The product of its digits is 9335088, while the sum is 58.

The spelling of 737671661617 in words is "seven hundred thirty-seven billion, six hundred seventy-one million, six hundred sixty-one thousand, six hundred seventeen".