37225689668 has 6 divisors (see below), whose sum is σ = 65144956926. Its totient is φ = 18612844832.

The previous prime is 37225689623. The next prime is 37225689671. The reversal of 37225689668 is 86698652273.

It can be written as a sum of positive squares in only one way, i.e., 23362511104 + 13863178564 = 152848^2 + 117742^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 37225689668.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4653211205 + ... + 4653211212.

It is an arithmetic number, because the mean of its divisors is an integer number (10857492821).

Almost surely, 2^37225689668 is an apocalyptic number.

It is an amenable number.

37225689668 is a deficient number, since it is larger than the sum of its proper divisors (27919267258).

37225689668 is a wasteful number, since it uses less digits than its factorization.

37225689668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9306422421 (or 9306422419 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 62.

The spelling of 37225689668 in words is "thirty-seven billion, two hundred twenty-five million, six hundred eighty-nine thousand, six hundred sixty-eight".