10643157958 has 4 divisors (see below), whose sum is σ = 15964736940. Its totient is φ = 5321578978.

The previous prime is 10643157949. The next prime is 10643157961. The reversal of 10643157958 is 85975134601.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10643157958² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660789488 + ... + 2660789491.

It is an arithmetic number, because the mean of its divisors is an integer number (3991184235).

Almost surely, 2^10643157958 is an apocalyptic number.

10643157958 is a deficient number, since it is larger than the sum of its proper divisors (5321578982).

10643157958 is an equidigital number, since it uses as much as digits as its factorization.

10643157958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321578981.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 10643157958 in words is "ten billion, six hundred forty-three million, one hundred fifty-seven thousand, nine hundred fifty-eight".