1664411437030 has 32 divisors (see below), whose sum is σ = 2998120482720. Its totient is φ = 665280322560.

The previous prime is 1664411437021. The next prime is 1664411437033. The reversal of 1664411437030 is 307341144661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664411437033) 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, 132732501 + ... + 132745039.

It is an arithmetic number, because the mean of its divisors is an integer number (93691265085).

Almost surely, 2^{1664411437030} is an apocalyptic number.

1664411437030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1664411437030 is a deficient number, since it is larger than the sum of its proper divisors (1333709045690).

1664411437030 is a wasteful number, since it uses less digits than its factorization.

1664411437030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21144.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 1664411437030 in words is "one trillion, six hundred sixty-four billion, four hundred eleven million, four hundred thirty-seven thousand, thirty".