66005605156010 has 32 divisors (see below), whose sum is σ = 128305731818880. Its totient is φ = 24303413717568.

The previous prime is 66005605155991. The next prime is 66005605156033. The reversal of 66005605156010 is 1065150650066.

It is a super-2 number, since 2×66005605156010² (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 15 ways as a sum of consecutive naturals, for example, 707105732 + ... + 707199071.

It is an arithmetic number, because the mean of its divisors is an integer number (4009554119340).

Almost surely, 2^{66005605156010} is an apocalyptic number.

66005605156010 is a deficient number, since it is larger than the sum of its proper divisors (62300126662870).

66005605156010 is a wasteful number, since it uses less digits than its factorization.

66005605156010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414305182.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 66005605156010 in words is "sixty-six trillion, five billion, six hundred five million, one hundred fifty-six thousand, ten".