9701655001601 has 8 divisors (see below), whose sum is σ = 9790813529640. Its totient is φ = 9612499246848.

The previous prime is 9701655001553. The next prime is 9701655001657. The reversal of 9701655001601 is 1061005561079.

It can be written as a sum of positive squares in 4 ways, for example, as 5406299271025 + 4295355730576 = 2325145^2 + 2072524^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9701655001601 - 2¹⁸ = 9701654739457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9701655001001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6695465 + ... + 8014521.

It is an arithmetic number, because the mean of its divisors is an integer number (1223851691205).

Almost surely, 2^{9701655001601} is an apocalyptic number.

It is an amenable number.

9701655001601 is a deficient number, since it is larger than the sum of its proper divisors (89158528039).

9701655001601 is a wasteful number, since it uses less digits than its factorization.

9701655001601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386643.

The product of its (nonzero) digits is 56700, while the sum is 41.

The spelling of 9701655001601 in words is "nine trillion, seven hundred one billion, six hundred fifty-five million, one thousand, six hundred one".