1671337073725 has 24 divisors (see below), whose sum is σ = 2269206011520. Its totient is φ = 1211032512000.

The previous prime is 1671337073699. The next prime is 1671337073729. The reversal of 1671337073725 is 5273707331761.

It is not a de Polignac number, because 1671337073725 - 2¹⁵ = 1671337040957 is a prime.

It is a super-2 number, since 2×1671337073725² (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 (1671337073729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11138740 + ... + 11287789.

It is an arithmetic number, because the mean of its divisors is an integer number (94550250480).

Almost surely, 2^{1671337073725} is an apocalyptic number.

It is an amenable number.

1671337073725 is a deficient number, since it is larger than the sum of its proper divisors (597868937795).

1671337073725 is a wasteful number, since it uses less digits than its factorization.

1671337073725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22426821 (or 22426816 counting only the distinct ones).

The product of its (nonzero) digits is 3889620, while the sum is 52.

The spelling of 1671337073725 in words is "one trillion, six hundred seventy-one billion, three hundred thirty-seven million, seventy-three thousand, seven hundred twenty-five".