628167052801 has 4 divisors (see below), whose sum is σ = 628198382592. Its totient is φ = 628135723012.

The previous prime is 628167052729. The next prime is 628167052811. The reversal of 628167052801 is 108250761826.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 628167052801 - 2²³ = 628158664193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628167052811) 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, 15634801 + ... + 15674926.

It is an arithmetic number, because the mean of its divisors is an integer number (157049595648).

Almost surely, 2^628167052801 is an apocalyptic number.

It is an amenable number.

628167052801 is a deficient number, since it is larger than the sum of its proper divisors (31329791).

628167052801 is a wasteful number, since it uses less digits than its factorization.

628167052801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31329790.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 628167052801 in words is "six hundred twenty-eight billion, one hundred sixty-seven million, fifty-two thousand, eight hundred one".