101662560 has 192 divisors, whose sum is σ = 360884160. Its totient is φ = 26726400.

The previous prime is 101662541. The next prime is 101662579. The reversal of 101662560 is 65266101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101662541) and next prime (101662579).

It is a super-2 number, since 2×101662560² = 20670552211507200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436204 + ... + 436436.

It is an arithmetic number, because the mean of its divisors is an integer number (1879605).

Almost surely, 2^101662560 is an apocalyptic number.

101662560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101662560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180442080).

101662560 is an abundant number, since it is smaller than the sum of its proper divisors (259221600).

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

101662560 is a wasteful number, since it uses less digits than its factorization.

101662560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 101662560 is about 10082.7853294613. The cubic root of 101662560 is about 466.7170648518.

The spelling of 101662560 in words is "one hundred one million, six hundred sixty-two thousand, five hundred sixty".