65155651000 has 64 divisors (see below), whose sum is σ = 166324635360. Its totient is φ = 23692960000.

The previous prime is 65155650929. The next prime is 65155651007. The reversal of 65155651000 is 15655156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65155651007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2950621 + ... + 2972620.

Almost surely, 2^65155651000 is an apocalyptic number.

It is an amenable number.

65155651000 is an abundant number, since it is smaller than the sum of its proper divisors (101168984360).

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

65155651000 is a wasteful number, since it uses less digits than its factorization.

65155651000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923273 (or 5923259 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 65155651000 in words is "sixty-five billion, one hundred fifty-five million, six hundred fifty-one thousand".