64051505651032 has 64 divisors (see below), whose sum is σ = 128082617280000. Its totient is φ = 29962791581184.

The previous prime is 64051505651017. The next prime is 64051505651033. The reversal of 64051505651032 is 23015650515046.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64051505651032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64051505651033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12664033 + ... + 16984720.

It is an arithmetic number, because the mean of its divisors is an integer number (2001290895000).

Almost surely, 2^{64051505651032} is an apocalyptic number.

It is an amenable number.

64051505651032 is a deficient number, since it is larger than the sum of its proper divisors (64031111628968).

64051505651032 is a wasteful number, since it uses less digits than its factorization.

64051505651032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29649040 (or 29649036 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 64051505651032 in words is "sixty-four trillion, fifty-one billion, five hundred five million, six hundred fifty-one thousand, thirty-two".