901986803157 has 32 divisors (see below), whose sum is σ = 1314944547840. Its totient is φ = 545424520320.

The previous prime is 901986803153. The next prime is 901986803161. The reversal of 901986803157 is 751308689109.

It is an interprime number because it is at equal distance from previous prime (901986803153) and next prime (901986803161).

It is not a de Polignac number, because 901986803157 - 2² = 901986803153 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 901986803097 and 901986803106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901986803153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62245969 + ... + 62260457.

It is an arithmetic number, because the mean of its divisors is an integer number (41092017120).

Almost surely, 2^901986803157 is an apocalyptic number.

It is an amenable number.

901986803157 is a deficient number, since it is larger than the sum of its proper divisors (412957744683).

901986803157 is a wasteful number, since it uses less digits than its factorization.

901986803157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18633.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 901986803157 in words is "nine hundred one billion, nine hundred eighty-six million, eight hundred three thousand, one hundred fifty-seven".