651625146642 has 8 divisors (see below), whose sum is σ = 1303250293296. Its totient is φ = 217208382212.

The previous prime is 651625146577. The next prime is 651625146671. The reversal of 651625146642 is 246641526156.

It is a happy number.

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

651625146642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 651625146591 and 651625146600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54302095548 + ... + 54302095559.

It is an arithmetic number, because the mean of its divisors is an integer number (162906286662).

Almost surely, 2^651625146642 is an apocalyptic number.

651625146642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

651625146642 is a wasteful number, since it uses less digits than its factorization.

651625146642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108604191112.

The product of its digits is 2073600, while the sum is 48.

The spelling of 651625146642 in words is "six hundred fifty-one billion, six hundred twenty-five million, one hundred forty-six thousand, six hundred forty-two".