2066551536435 has 32 divisors (see below), whose sum is σ = 3321233280000. Its totient is φ = 1097254144896.

The previous prime is 2066551536407. The next prime is 2066551536457. The reversal of 2066551536435 is 5346351556602.

It is not a de Polignac number, because 2066551536435 - 2²² = 2066547342131 is a prime.

It is a super-3 number, since 3×2066551536435³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2905281 + ... + 3545949.

It is an arithmetic number, because the mean of its divisors is an integer number (103788540000).

Almost surely, 2^{2066551536435} is an apocalyptic number.

2066551536435 is a deficient number, since it is larger than the sum of its proper divisors (1254681743565).

2066551536435 is a wasteful number, since it uses less digits than its factorization.

2066551536435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641635.

The product of its (nonzero) digits is 9720000, while the sum is 51.

The spelling of 2066551536435 in words is "two trillion, sixty-six billion, five hundred fifty-one million, five hundred thirty-six thousand, four hundred thirty-five".