6551074701556 has 36 divisors (see below), whose sum is σ = 14401536128224. Its totient is φ = 2552366765520.

The previous prime is 6551074701553. The next prime is 6551074701569.

6551074701556 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6551074701556² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551074701553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 966802206 + ... + 966808981.

Almost surely, 2^{6551074701556} is an apocalyptic number.

It is an amenable number.

6551074701556 is an abundant number, since it is smaller than the sum of its proper divisors (7850461426668).

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

6551074701556 is a wasteful number, since it uses less digits than its factorization.

6551074701556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933611220 (or 1933611207 counting only the distinct ones).

The product of its (nonzero) digits is 4410000, while the sum is 52.

The spelling of 6551074701556 in words is "six trillion, five hundred fifty-one billion, seventy-four million, seven hundred one thousand, five hundred fifty-six".