7616721351 has 8 divisors (see below), whose sum is σ = 10157680000. Its totient is φ = 5076788472.

The previous prime is 7616721257. The next prime is 7616721367. The reversal of 7616721351 is 1531276167.

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

It is not a de Polignac number, because 7616721351 - 2⁷ = 7616721223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7616725351) 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, 238945 + ... + 268938.

It is an arithmetic number, because the mean of its divisors is an integer number (1269710000).

Almost surely, 2^7616721351 is an apocalyptic number.

7616721351 is a deficient number, since it is larger than the sum of its proper divisors (2540958649).

7616721351 is a wasteful number, since it uses less digits than its factorization.

7616721351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512885.

The product of its digits is 52920, while the sum is 39.

The square root of 7616721351 is about 87273.8297028382. The cubic root of 7616721351 is about 1967.5360083868.

The spelling of 7616721351 in words is "seven billion, six hundred sixteen million, seven hundred twenty-one thousand, three hundred fifty-one".