1630166321365 has 8 divisors (see below), whose sum is σ = 1956211420320. Its totient is φ = 1304125167312.

The previous prime is 1630166321297. The next prime is 1630166321429. The reversal of 1630166321365 is 5631236610361.

It is a happy number.

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 1630166321365 - 2¹¹ = 1630166319317 is a prime.

It is a congruent number.

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, 15366 + ... + 1805704.

It is an arithmetic number, because the mean of its divisors is an integer number (244526427540).

Almost surely, 2^{1630166321365} is an apocalyptic number.

It is an amenable number.

1630166321365 is a deficient number, since it is larger than the sum of its proper divisors (326045098955).

1630166321365 is a wasteful number, since it uses less digits than its factorization.

1630166321365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972451.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 1630166321365 in words is "one trillion, six hundred thirty billion, one hundred sixty-six million, three hundred twenty-one thousand, three hundred sixty-five".