1634533342512 has 40 divisors (see below), whose sum is σ = 4825765107456. Its totient is φ = 467009526336.

The previous prime is 1634533342457. The next prime is 1634533342537. The reversal of 1634533342512 is 2152433354361.

It is a super-2 number, since 2×1634533342512² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2432340948 + ... + 2432341619.

Almost surely, 2^{1634533342512} is an apocalyptic number.

1634533342512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1634533342512 is an abundant number, since it is smaller than the sum of its proper divisors (3191231764944).

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

1634533342512 is a wasteful number, since it uses less digits than its factorization.

1634533342512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864682585 (or 4864682579 counting only the distinct ones).

The product of its digits is 777600, while the sum is 42.

Adding to 1634533342512 its reverse (2152433354361), we get a palindrome (3786966696873).

The spelling of 1634533342512 in words is "one trillion, six hundred thirty-four billion, five hundred thirty-three million, three hundred forty-two thousand, five hundred twelve".