1350766654638 has 16 divisors (see below), whose sum is σ = 2702919445200. Its totient is φ = 450024528896.

The previous prime is 1350766654631. The next prime is 1350766654639. The reversal of 1350766654638 is 8364566670531.

It is a super-2 number, since 2×1350766654638² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350766654631) 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, 57742995 + ... + 57766382.

It is an arithmetic number, because the mean of its divisors is an integer number (168932465325).

Almost surely, 2^{1350766654638} is an apocalyptic number.

1350766654638 is an abundant number, since it is smaller than the sum of its proper divisors (1352152790562).

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

1350766654638 is a wasteful number, since it uses less digits than its factorization.

1350766654638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115511331.

The product of its (nonzero) digits is 65318400, while the sum is 60.

The spelling of 1350766654638 in words is "one trillion, three hundred fifty billion, seven hundred sixty-six million, six hundred fifty-four thousand, six hundred thirty-eight".