1630661435441 has 8 divisors (see below), whose sum is σ = 1653762523968. Its totient is φ = 1607564070000.

The previous prime is 1630661435353. The next prime is 1630661435443. The reversal of 1630661435441 is 1445341660361.

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

It is a cyclic number.

It is not a de Polignac number, because 1630661435441 - 2²⁶ = 1630594326577 is a prime.

It is a super-2 number, since 2×1630661435441² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1630661435392 and 1630661435401.

It is not an unprimeable number, because it can be changed into a prime (1630661435443) 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, 42635 + ... + 1806416.

It is an arithmetic number, because the mean of its divisors is an integer number (206720315496).

Almost surely, 2^{1630661435441} is an apocalyptic number.

It is an amenable number.

1630661435441 is a deficient number, since it is larger than the sum of its proper divisors (23101088527).

1630661435441 is a wasteful number, since it uses less digits than its factorization.

1630661435441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861543.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 1630661435441 in words is "one trillion, six hundred thirty billion, six hundred sixty-one million, four hundred thirty-five thousand, four hundred forty-one".