21150162336345 has 64 divisors (see below), whose sum is σ = 40720053749760. Its totient is φ = 9157527014400.

The previous prime is 21150162336287. The next prime is 21150162336349. The reversal of 21150162336345 is 54363326105112.

It is a happy number.

It is not a de Polignac number, because 21150162336345 - 2⁷ = 21150162336217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21150162336297 and 21150162336306.

It is not an unprimeable number, because it can be changed into a prime (21150162336349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6865825 + ... + 9457265.

It is an arithmetic number, because the mean of its divisors is an integer number (636250839840).

Almost surely, 2^{21150162336345} is an apocalyptic number.

It is an amenable number.

21150162336345 is a deficient number, since it is larger than the sum of its proper divisors (19569891413415).

21150162336345 is a wasteful number, since it uses less digits than its factorization.

21150162336345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595566.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 21150162336345 in words is "twenty-one trillion, one hundred fifty billion, one hundred sixty-two million, three hundred thirty-six thousand, three hundred forty-five".