1550693000066 has 16 divisors (see below), whose sum is σ = 2814703261056. Its totient is φ = 625489613376.

The previous prime is 1550693000057. The next prime is 1550693000119. The reversal of 1550693000066 is 6600003960551.

It is a junction number, because it is equal to n+sod(n) for n = 1550692999987 and 1550693000032.

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, 3257758166 + ... + 3257758641.

It is an arithmetic number, because the mean of its divisors is an integer number (175918953816).

Almost surely, 2^{1550693000066} is an apocalyptic number.

1550693000066 is a deficient number, since it is larger than the sum of its proper divisors (1264010260990).

1550693000066 is a wasteful number, since it uses less digits than its factorization.

1550693000066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515516833.

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 1550693000066 in words is "one trillion, five hundred fifty billion, six hundred ninety-three million, sixty-six", and thus it is an aban number.