1406766652551 has 64 divisors (see below), whose sum is σ = 2275296307200. Its totient is φ = 853861627008.

The previous prime is 1406766652517. The next prime is 1406766652589. The reversal of 1406766652551 is 1552566676041.

It is not a de Polignac number, because 1406766652551 - 2²⁵ = 1406733098119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406766652351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8518770 + ... + 8682336.

It is an arithmetic number, because the mean of its divisors is an integer number (35551504800).

Almost surely, 2^{1406766652551} is an apocalyptic number.

1406766652551 is a deficient number, since it is larger than the sum of its proper divisors (868529654649).

1406766652551 is a wasteful number, since it uses less digits than its factorization.

1406766652551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163925 (or 163919 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 1406766652551 in words is "one trillion, four hundred six billion, seven hundred sixty-six million, six hundred fifty-two thousand, five hundred fifty-one".