1671048537990 has 128 divisors (see below), whose sum is σ = 4329361128960. Its totient is φ = 410351090688.

The previous prime is 1671048537943. The next prime is 1671048538031. The reversal of 1671048537990 is 997358401761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 524331177 + ... + 524334363.

It is an arithmetic number, because the mean of its divisors is an integer number (33823133820).

Almost surely, 2^{1671048537990} is an apocalyptic number.

1671048537990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1671048537990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164680564480).

1671048537990 is an abundant number, since it is smaller than the sum of its proper divisors (2658312590970).

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

1671048537990 is a wasteful number, since it uses less digits than its factorization.

1671048537990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 1671048537990 in words is "one trillion, six hundred seventy-one billion, forty-eight million, five hundred thirty-seven thousand, nine hundred ninety".