651232506330 has 192 divisors, whose sum is σ = 2156758306560. Its totient is φ = 132723505152.

The previous prime is 651232506317. The next prime is 651232506343. The reversal of 651232506330 is 33605232156.

651232506330 is a `hidden beast` number, since 6 + 5 + 12 + 3 + 2 + 5 + 0 + 633 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (651232506317) and next prime (651232506343).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1396669 + ... + 1803648.

It is an arithmetic number, because the mean of its divisors is an integer number (11233116180).

Almost surely, 2^651232506330 is an apocalyptic number.

651232506330 is an abundant number, since it is smaller than the sum of its proper divisors (1505525800230).

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

651232506330 is a wasteful number, since it uses less digits than its factorization.

651232506330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200373 (or 3200370 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 651232506330 its reverse (33605232156), we get a palindrome (684837738486).

The spelling of 651232506330 in words is "six hundred fifty-one billion, two hundred thirty-two million, five hundred six thousand, three hundred thirty".