65156761469472 has 48 divisors (see below), whose sum is σ = 171039972815712. Its totient is φ = 21718479352320.

The previous prime is 65156761469417. The next prime is 65156761469477. The reversal of 65156761469472 is 27496416765156.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 65156761469397 and 65156761469406.

It is not an unprimeable number, because it can be changed into a prime (65156761469477) 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, 2124613 + ... + 11611524.

It is an arithmetic number, because the mean of its divisors is an integer number (3563332766994).

Almost surely, 2^{65156761469472} is an apocalyptic number.

It is an amenable number.

65156761469472 is an abundant number, since it is smaller than the sum of its proper divisors (105883211346240).

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

65156761469472 is a wasteful number, since it uses less digits than its factorization.

65156761469472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13785561 (or 13785553 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 69.

The spelling of 65156761469472 in words is "sixty-five trillion, one hundred fifty-six billion, seven hundred sixty-one million, four hundred sixty-nine thousand, four hundred seventy-two".