1671590026947 has 16 divisors (see below), whose sum is σ = 2231193565440. Its totient is φ = 1113190402272.

The previous prime is 1671590026927. The next prime is 1671590026991. The reversal of 1671590026947 is 7496200951761.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1671590026947 is a prime.

It is a super-2 number, since 2×1671590026947² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1671590026927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14423829 + ... + 14539257.

It is an arithmetic number, because the mean of its divisors is an integer number (139449597840).

Almost surely, 2^{1671590026947} is an apocalyptic number.

1671590026947 is a deficient number, since it is larger than the sum of its proper divisors (559603538493).

1671590026947 is a wasteful number, since it uses less digits than its factorization.

1671590026947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120602.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 1671590026947 in words is "one trillion, six hundred seventy-one billion, five hundred ninety million, twenty-six thousand, nine hundred forty-seven".