21154660362002 has 8 divisors (see below), whose sum is σ = 31732037242416. Its totient is φ = 10577314614532.

The previous prime is 21154660361953. The next prime is 21154660362103. The reversal of 21154660362002 is 20026306645112.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6003068 + ... + 8851335.

It is an arithmetic number, because the mean of its divisors is an integer number (3966504655302).

Almost surely, 2^{21154660362002} is an apocalyptic number.

21154660362002 is a deficient number, since it is larger than the sum of its proper divisors (10577376880414).

21154660362002 is a wasteful number, since it uses less digits than its factorization.

21154660362002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15566472.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 21154660362002 in words is "twenty-one trillion, one hundred fifty-four billion, six hundred sixty million, three hundred sixty-two thousand, two".