66737070003370 has 16 divisors (see below), whose sum is σ = 129367243391400. Its totient is φ = 24641379693504.

The previous prime is 66737070003367. The next prime is 66737070003407. The reversal of 66737070003370 is 7330007073766.

It can be written as a sum of positive squares in 4 ways, for example, as 26284150015249 + 40452919988121 = 5126807^2 + 6360261^2 .

It is a super-2 number, since 2×66737070003370² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256681038345 + ... + 256681038604.

Almost surely, 2^{66737070003370} is an apocalyptic number.

66737070003370 is a deficient number, since it is larger than the sum of its proper divisors (62630173388030).

66737070003370 is a wasteful number, since it uses less digits than its factorization.

66737070003370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513362076969.

The product of its (nonzero) digits is 2333772, while the sum is 49.

The spelling of 66737070003370 in words is "sixty-six trillion, seven hundred thirty-seven billion, seventy million, three thousand, three hundred seventy".