101665610997470 has 32 divisors (see below), whose sum is σ = 197075732803488. Its totient is φ = 37537908686208.

The previous prime is 101665610997413. The next prime is 101665610997481. The reversal of 101665610997470 is 74799016566101.

It is a Curzon number.

It is a congruent number.

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, 30711977 + ... + 33860843.

It is an arithmetic number, because the mean of its divisors is an integer number (6158616650109).

Almost surely, 2^{101665610997470} is an apocalyptic number.

101665610997470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101665610997470 is a deficient number, since it is larger than the sum of its proper divisors (95410121806018).

101665610997470 is a wasteful number, since it uses less digits than its factorization.

101665610997470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3397244.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 101665610997470 in words is "one hundred one trillion, six hundred sixty-five billion, six hundred ten million, nine hundred ninety-seven thousand, four hundred seventy".