651146620041002 has 16 divisors (see below), whose sum is σ = 1020374338136832. Its totient is φ = 311274909694560.

The previous prime is 651146620040887. The next prime is 651146620041007. The reversal of 651146620041002 is 200140026641156.

It is a happy number.

It is a super-2 number, since 2×651146620041002² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (651146620041007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63267252923 + ... + 63267263214.

It is an arithmetic number, because the mean of its divisors is an integer number (63773396133552).

Almost surely, 2^{651146620041002} is an apocalyptic number.

651146620041002 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

651146620041002 is a deficient number, since it is larger than the sum of its proper divisors (369227718095830).

651146620041002 is a wasteful number, since it uses less digits than its factorization.

651146620041002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126534516253.

The product of its (nonzero) digits is 69120, while the sum is 38.

Adding to 651146620041002 its reverse (200140026641156), we get a palindrome (851286646682158).

The spelling of 651146620041002 in words is "six hundred fifty-one trillion, one hundred forty-six billion, six hundred twenty million, forty-one thousand, two".