1607063666461 has 8 divisors (see below), whose sum is σ = 1759399371648. Its totient is φ = 1455767796000.

The previous prime is 1607063666443. The next prime is 1607063666479. The reversal of 1607063666461 is 1646663607061.

It is an interprime number because it is at equal distance from previous prime (1607063666443) and next prime (1607063666479).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1607063666461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1607063666399 and 1607063666408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1607063666561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259955445 + ... + 259961626.

It is an arithmetic number, because the mean of its divisors is an integer number (219924921456).

Almost surely, 2^{1607063666461} is an apocalyptic number.

1607063666461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1607063666461 is a deficient number, since it is larger than the sum of its proper divisors (152335705187).

1607063666461 is a wasteful number, since it uses less digits than its factorization.

1607063666461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519917363.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 1607063666461 in words is "one trillion, six hundred seven billion, sixty-three million, six hundred sixty-six thousand, four hundred sixty-one".