7016621457 has 16 divisors (see below), whose sum is σ = 9384883200. Its totient is φ = 4663075200.

The previous prime is 7016621411. The next prime is 7016621467. The reversal of 7016621457 is 7541266107.

It is not a de Polignac number, because 7016621457 - 2²⁶ = 6949512593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7016621467) 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, 2032669 + ... + 2036117.

It is an arithmetic number, because the mean of its divisors is an integer number (586555200).

Almost surely, 2^7016621457 is an apocalyptic number.

It is an amenable number.

7016621457 is a deficient number, since it is larger than the sum of its proper divisors (2368261743).

7016621457 is a wasteful number, since it uses less digits than its factorization.

7016621457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 7016621457 is about 83765.2759620596. The cubic root of 7016621457 is about 1914.4440670729. Note that the first 3 decimals are identical.

The spelling of 7016621457 in words is "seven billion, sixteen million, six hundred twenty-one thousand, four hundred fifty-seven".