1064628663157 has 4 divisors (see below), whose sum is σ = 1064669036256. Its totient is φ = 1064588290060.

The previous prime is 1064628663103. The next prime is 1064628663169. The reversal of 1064628663157 is 7513668264601.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-1064628663157 is a prime.

It is a super-2 number, since 2×1064628663157² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1064628663098 and 1064628663107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064628663187) 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, 20146969 + ... + 20199742.

It is an arithmetic number, because the mean of its divisors is an integer number (266167259064).

Almost surely, 2^{1064628663157} is an apocalyptic number.

It is an amenable number.

1064628663157 is a deficient number, since it is larger than the sum of its proper divisors (40373099).

1064628663157 is an equidigital number, since it uses as much as digits as its factorization.

1064628663157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40373098.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 1064628663157 in words is "one trillion, sixty-four billion, six hundred twenty-eight million, six hundred sixty-three thousand, one hundred fifty-seven".