21630146115332 has 24 divisors (see below), whose sum is σ = 40092388904736. Its totient is φ = 10175590571648.

The previous prime is 21630146115329. The next prime is 21630146115353. The reversal of 21630146115332 is 23351164103612.

It is a super-4 number, since 4×21630146115332⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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, 51378158 + ... + 51797445.

It is an arithmetic number, because the mean of its divisors is an integer number (1670516204364).

Almost surely, 2^{21630146115332} is an apocalyptic number.

It is an amenable number.

21630146115332 is a deficient number, since it is larger than the sum of its proper divisors (18462242789404).

21630146115332 is a wasteful number, since it uses less digits than its factorization.

21630146115332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103178707 (or 103178705 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 21630146115332 in words is "twenty-one trillion, six hundred thirty billion, one hundred forty-six million, one hundred fifteen thousand, three hundred thirty-two".