1670537421072 has 80 divisors (see below), whose sum is σ = 5163911988480. Its totient is φ = 514011512448.

The previous prime is 1670537421061. The next prime is 1670537421103. The reversal of 1670537421072 is 2701247350761.

1670537421072 is a `hidden beast` number, since 1 + 6 + 7 + 0 + 537 + 4 + 2 + 107 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148724568 + ... + 148735799.

It is an arithmetic number, because the mean of its divisors is an integer number (64548899856).

Almost surely, 2^{1670537421072} is an apocalyptic number.

1670537421072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1670537421072 is an abundant number, since it is smaller than the sum of its proper divisors (3493374567408).

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

1670537421072 is a wasteful number, since it uses less digits than its factorization.

1670537421072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297460397 (or 297460385 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 1670537421072 in words is "one trillion, six hundred seventy billion, five hundred thirty-seven million, four hundred twenty-one thousand, seventy-two".