10021616642 has 8 divisors (see below), whose sum is σ = 15352263936. Its totient is φ = 4904195332.

The previous prime is 10021616641. The next prime is 10021616651. The reversal of 10021616642 is 24661612001.

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

It is a super-2 number, since 2×10021616642² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10021616641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53306378 + ... + 53306565.

It is an arithmetic number, because the mean of its divisors is an integer number (1919032992).

Almost surely, 2^10021616642 is an apocalyptic number.

10021616642 is a deficient number, since it is larger than the sum of its proper divisors (5330647294).

10021616642 is a wasteful number, since it uses less digits than its factorization.

10021616642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106612992.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 10021616642 in words is "ten billion, twenty-one million, six hundred sixteen thousand, six hundred forty-two".