1670201866755 has 48 divisors (see below), whose sum is σ = 2903547838464. Its totient is φ = 888150415680.

The previous prime is 1670201866691. The next prime is 1670201866789. The reversal of 1670201866755 is 5576681020761.

It is a happy number.

It is not a de Polignac number, because 1670201866755 - 2⁶ = 1670201866691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103557502 + ... + 103573628.

It is an arithmetic number, because the mean of its divisors is an integer number (60490579968).

Almost surely, 2^{1670201866755} is an apocalyptic number.

1670201866755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1670201866755 is a deficient number, since it is larger than the sum of its proper divisors (1233345971709).

1670201866755 is a wasteful number, since it uses less digits than its factorization.

1670201866755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22776 (or 22773 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 1670201866755 in words is "one trillion, six hundred seventy billion, two hundred one million, eight hundred sixty-six thousand, seven hundred fifty-five".