2061665536324 has 12 divisors (see below), whose sum is σ = 3607926048748. Its totient is φ = 1030829522400.

The previous prime is 2061665536309. The next prime is 2061665536349. The reversal of 2061665536324 is 4236355661602.

It can be written as a sum of positive squares in 2 ways, for example, as 1087828140100 + 973837396224 = 1042990^2 + 986832^2 .

It is a super-2 number, since 2×2061665536324² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138234 + ... + 2327854.

Almost surely, 2^{2061665536324} is an apocalyptic number.

It is an amenable number.

2061665536324 is a deficient number, since it is larger than the sum of its proper divisors (1546260512424).

2061665536324 is a wasteful number, since it uses less digits than its factorization.

2061665536324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622886 (or 1622884 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 2061665536324 in words is "two trillion, sixty-one billion, six hundred sixty-five million, five hundred thirty-six thousand, three hundred twenty-four".