6520148974 has 8 divisors (see below), whose sum is σ = 10205450640. Its totient is φ = 3118332096.

The previous prime is 6520148969. The next prime is 6520148977. The reversal of 6520148974 is 4798410256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 141742369 = 6520148974 / (6 + 5 + 2 + 0 + 1 + 4 + 8 + 9 + 7 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520148977) 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, 70871139 + ... + 70871230.

It is an arithmetic number, because the mean of its divisors is an integer number (1275681330).

Almost surely, 2^6520148974 is an apocalyptic number.

6520148974 is a deficient number, since it is larger than the sum of its proper divisors (3685301666).

6520148974 is a wasteful number, since it uses less digits than its factorization.

6520148974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141742394.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 6520148974 is about 80747.4394268945. The cubic root of 6520148974 is about 1868.1819551936.

The spelling of 6520148974 in words is "six billion, five hundred twenty million, one hundred forty-eight thousand, nine hundred seventy-four".