6157990667 has 4 divisors (see below), whose sum is σ = 6158268960. Its totient is φ = 6157712376.

The previous prime is 6157990661. The next prime is 6157990679. The reversal of 6157990667 is 7660997516.

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

It is a cyclic number.

It is not a de Polignac number, because 6157990667 - 2¹⁴ = 6157974283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6157990661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102788 + ... + 151265.

It is an arithmetic number, because the mean of its divisors is an integer number (1539567240).

Almost surely, 2^6157990667 is an apocalyptic number.

6157990667 is a deficient number, since it is larger than the sum of its proper divisors (278293).

6157990667 is a wasteful number, since it uses less digits than its factorization.

6157990667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278292.

The product of its (nonzero) digits is 4286520, while the sum is 56.

The square root of 6157990667 is about 78472.8658008614. The cubic root of 6157990667 is about 1832.9319525672.

The spelling of 6157990667 in words is "six billion, one hundred fifty-seven million, nine hundred ninety thousand, six hundred sixty-seven".