629161307 has 4 divisors (see below), whose sum is σ = 662275080. Its totient is φ = 596047536.

The previous prime is 629161271. The next prime is 629161319. The reversal of 629161307 is 703161926.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703161926 = 2 ⋅351580963.

It is a cyclic number.

It is not a de Polignac number, because 629161307 - 2¹⁸ = 628899163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629161327) 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, 16556858 + ... + 16556895.

It is an arithmetic number, because the mean of its divisors is an integer number (165568770).

Almost surely, 2^629161307 is an apocalyptic number.

629161307 is a deficient number, since it is larger than the sum of its proper divisors (33113773).

629161307 is a wasteful number, since it uses less digits than its factorization.

629161307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33113772.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 629161307 is about 25083.0880674609. The cubic root of 629161307 is about 856.8813068397.

The spelling of 629161307 in words is "six hundred twenty-nine million, one hundred sixty-one thousand, three hundred seven".