21150162336344 has 64 divisors (see below), whose sum is σ = 40319166666240. Its totient is φ = 10399635751680.

The previous prime is 21150162336287. The next prime is 21150162336349. The reversal of 21150162336344 is 44363326105112.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 180368117 + ... + 180485339.

It is an arithmetic number, because the mean of its divisors is an integer number (629986979160).

Almost surely, 2^{21150162336344} is an apocalyptic number.

It is an amenable number.

21150162336344 is a deficient number, since it is larger than the sum of its proper divisors (19169004329896).

21150162336344 is a wasteful number, since it uses less digits than its factorization.

21150162336344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118560 (or 118556 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 21150162336344 in words is "twenty-one trillion, one hundred fifty billion, one hundred sixty-two million, three hundred thirty-six thousand, three hundred forty-four".