1672915049782 has 16 divisors (see below), whose sum is σ = 2525033111040. Its totient is φ = 831238426152.

The previous prime is 1672915049777. The next prime is 1672915049801. The reversal of 1672915049782 is 2879405192761.

It is a super-2 number, since 2×1672915049782² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1672915049782.

It is a congruent number.

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, 2890263 + ... + 3420445.

It is an arithmetic number, because the mean of its divisors is an integer number (157814569440).

Almost surely, 2^{1672915049782} is an apocalyptic number.

1672915049782 is a deficient number, since it is larger than the sum of its proper divisors (852118061258).

1672915049782 is a wasteful number, since it uses less digits than its factorization.

1672915049782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540027.

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 1672915049782 in words is "one trillion, six hundred seventy-two billion, nine hundred fifteen million, forty-nine thousand, seven hundred eighty-two".