1642075363918 has 16 divisors (see below), whose sum is σ = 2689564998960. Its totient is φ = 745694396800.

The previous prime is 1642075363913. The next prime is 1642075363927. The reversal of 1642075363918 is 8193635702461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642075363913) 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, 35150923 + ... + 35197606.

It is an arithmetic number, because the mean of its divisors is an integer number (168097812435).

It is a 1-persistent number, because it is pandigital, but 2⋅1642075363918 = 3284150727836 is not.

Almost surely, 2^{1642075363918} is an apocalyptic number.

1642075363918 is a deficient number, since it is larger than the sum of its proper divisors (1047489635042).

1642075363918 is a wasteful number, since it uses less digits than its factorization.

1642075363918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70349603.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 1642075363918 in words is "one trillion, six hundred forty-two billion, seventy-five million, three hundred sixty-three thousand, nine hundred eighteen".