66677148147810 has 16 divisors (see below), whose sum is σ = 160025155554816. Its totient is φ = 17780572839408.

The previous prime is 66677148147809. The next prime is 66677148147823. The reversal of 66677148147810 is 1874184177666.

It is a super-2 number, since 2×66677148147810² (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, 1111285802434 + ... + 1111285802493.

It is an arithmetic number, because the mean of its divisors is an integer number (10001572222176).

Almost surely, 2^{66677148147810} is an apocalyptic number.

66677148147810 is an abundant number, since it is smaller than the sum of its proper divisors (93348007407006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66677148147810 is a wasteful number, since it uses less digits than its factorization.

66677148147810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222571604937.

The product of its (nonzero) digits is 75866112, while the sum is 66.

The spelling of 66677148147810 in words is "sixty-six trillion, six hundred seventy-seven billion, one hundred forty-eight million, one hundred forty-seven thousand, eight hundred ten".