4720121616 has 40 divisors (see below), whose sum is σ = 13935598144. Its totient is φ = 1348606080.

The previous prime is 4720121611. The next prime is 4720121629. The reversal of 4720121616 is 6161210274.

It is not an unprimeable number, because it can be changed into a prime (4720121611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7023655 + ... + 7024326.

Almost surely, 2^4720121616 is an apocalyptic number.

It is an amenable number.

4720121616 is an abundant number, since it is smaller than the sum of its proper divisors (9215476528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4720121616 is a wasteful number, since it uses less digits than its factorization.

4720121616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14047999 (or 14047993 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 4720121616 is about 68703.1412382287. The cubic root of 4720121616 is about 1677.4557122228.

The spelling of 4720121616 in words is "four billion, seven hundred twenty million, one hundred twenty-one thousand, six hundred sixteen".